diff options
-rw-r--r-- | arch/m68k/amiga/config.c | 6 | ||||
-rw-r--r-- | arch/m68k/include/asm/motorola_pgalloc.h | 10 | ||||
-rw-r--r-- | arch/m68k/include/asm/pgtable_mm.h | 3 | ||||
-rw-r--r-- | arch/m68k/include/asm/unistd.h | 4 | ||||
-rw-r--r-- | arch/m68k/kernel/entry.S | 2 | ||||
-rw-r--r-- | arch/m68knommu/kernel/syscalltable.S | 2 | ||||
-rw-r--r-- | drivers/acpi/processor_core.c | 6 | ||||
-rw-r--r-- | drivers/acpi/processor_thermal.c | 6 | ||||
-rw-r--r-- | drivers/acpi/processor_throttling.c | 30 | ||||
-rw-r--r-- | drivers/leds/ledtrig-gpio.c | 24 | ||||
-rw-r--r-- | drivers/macintosh/via-maciisi.c | 2 | ||||
-rw-r--r-- | drivers/platform/x86/wmi.c | 8 | ||||
-rw-r--r-- | drivers/pps/pps.c | 2 | ||||
-rw-r--r-- | drivers/thermal/thermal_sys.c | 9 | ||||
-rw-r--r-- | include/acpi/processor.h | 5 | ||||
-rw-r--r-- | include/linux/flex_array.h | 12 | ||||
-rw-r--r-- | kernel/fork.c | 20 | ||||
-rw-r--r-- | lib/flex_array.c | 41 | ||||
-rw-r--r-- | mm/rmap.c | 1 | ||||
-rw-r--r-- | mm/vmscan.c | 9 | ||||
-rw-r--r-- | security/integrity/ima/ima_main.c | 4 |
21 files changed, 120 insertions, 86 deletions
diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c index 6e562751ad51..6c74751c7b82 100644 --- a/arch/m68k/amiga/config.c +++ b/arch/m68k/amiga/config.c @@ -574,10 +574,11 @@ static int a2000_hwclk(int op, struct rtc_time *t) tod_2000.cntrl1 = TOD2000_CNTRL1_HOLD; - while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt--) { + while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt) { tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD; udelay(70); tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD; + --cnt; } if (!cnt) @@ -649,10 +650,11 @@ static int amiga_set_clock_mmss(unsigned long nowtime) tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD; - while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt--) { + while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt) { tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD; udelay(70); tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD; + --cnt; } if (!cnt) diff --git a/arch/m68k/include/asm/motorola_pgalloc.h b/arch/m68k/include/asm/motorola_pgalloc.h index 15ee4c74a9f0..2f02f264e694 100644 --- a/arch/m68k/include/asm/motorola_pgalloc.h +++ b/arch/m68k/include/asm/motorola_pgalloc.h @@ -36,12 +36,10 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addres return NULL; pte = kmap(page); - if (pte) { - __flush_page_to_ram(pte); - flush_tlb_kernel_page(pte); - nocache_page(pte); - } - kunmap(pte); + __flush_page_to_ram(pte); + flush_tlb_kernel_page(pte); + nocache_page(pte); + kunmap(page); pgtable_page_ctor(page); return page; } diff --git a/arch/m68k/include/asm/pgtable_mm.h b/arch/m68k/include/asm/pgtable_mm.h index 0b604f0f192d..fe60e1abaee8 100644 --- a/arch/m68k/include/asm/pgtable_mm.h +++ b/arch/m68k/include/asm/pgtable_mm.h @@ -135,8 +135,6 @@ static inline void update_mmu_cache(struct vm_area_struct *vma, #endif #ifndef __ASSEMBLY__ -#include <asm-generic/pgtable.h> - /* * Macro to mark a page protection value as "uncacheable". */ @@ -154,6 +152,7 @@ static inline void update_mmu_cache(struct vm_area_struct *vma, ? (__pgprot((pgprot_val(prot) & _CACHEMASK040) | _PAGE_NOCACHE_S)) \ : (prot))) +#include <asm-generic/pgtable.h> #endif /* !__ASSEMBLY__ */ /* diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h index aa29a8640f74..946d8691f2b0 100644 --- a/arch/m68k/include/asm/unistd.h +++ b/arch/m68k/include/asm/unistd.h @@ -334,10 +334,12 @@ #define __NR_inotify_init1 328 #define __NR_preadv 329 #define __NR_pwritev 330 +#define __NR_rt_tgsigqueueinfo 331 +#define __NR_perf_counter_open 332 #ifdef __KERNEL__ -#define NR_syscalls 331 +#define NR_syscalls 333 #define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S index 8744f60c07a9..c3735cd6207e 100644 --- a/arch/m68k/kernel/entry.S +++ b/arch/m68k/kernel/entry.S @@ -755,4 +755,6 @@ sys_call_table: .long sys_inotify_init1 .long sys_preadv .long sys_pwritev /* 330 */ + .long sys_rt_tgsigqueueinfo + .long sys_perf_counter_open diff --git a/arch/m68knommu/kernel/syscalltable.S b/arch/m68knommu/kernel/syscalltable.S index c0b8782832fd..0ae123e08985 100644 --- a/arch/m68knommu/kernel/syscalltable.S +++ b/arch/m68knommu/kernel/syscalltable.S @@ -349,6 +349,8 @@ ENTRY(sys_call_table) .long sys_inotify_init1 .long sys_preadv .long sys_pwritev /* 330 */ + .long sys_rt_tgsigqueueinfo + .long sys_perf_counter_open .rept NR_syscalls-(.-sys_call_table)/4 .long sys_ni_syscall diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 84e0f3c07442..2cc4b3033872 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -1151,6 +1151,9 @@ static int __init acpi_processor_init(void) { int result = 0; + if (acpi_disabled) + return 0; + memset(&errata, 0, sizeof(errata)); #ifdef CONFIG_SMP @@ -1197,6 +1200,9 @@ out_proc: static void __exit acpi_processor_exit(void) { + if (acpi_disabled) + return; + acpi_processor_ppc_exit(); acpi_thermal_cpufreq_exit(); diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c index 39838c666032..31adda1099e0 100644 --- a/drivers/acpi/processor_thermal.c +++ b/drivers/acpi/processor_thermal.c @@ -66,7 +66,7 @@ static int acpi_processor_apply_limit(struct acpi_processor *pr) if (pr->limit.thermal.tx > tx) tx = pr->limit.thermal.tx; - result = acpi_processor_set_throttling(pr, tx); + result = acpi_processor_set_throttling(pr, tx, false); if (result) goto end; } @@ -421,12 +421,12 @@ processor_set_cur_state(struct thermal_cooling_device *cdev, if (state <= max_pstate) { if (pr->flags.throttling && pr->throttling.state) - result = acpi_processor_set_throttling(pr, 0); + result = acpi_processor_set_throttling(pr, 0, false); cpufreq_set_cur_state(pr->id, state); } else { cpufreq_set_cur_state(pr->id, max_pstate); result = acpi_processor_set_throttling(pr, - state - max_pstate); + state - max_pstate, false); } return result; } diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c index 227543789ba9..ae39797aab55 100644 --- a/drivers/acpi/processor_throttling.c +++ b/drivers/acpi/processor_throttling.c @@ -62,7 +62,8 @@ struct throttling_tstate { #define THROTTLING_POSTCHANGE (2) static int acpi_processor_get_throttling(struct acpi_processor *pr); -int acpi_processor_set_throttling(struct acpi_processor *pr, int state); +int acpi_processor_set_throttling(struct acpi_processor *pr, + int state, bool force); static int acpi_processor_update_tsd_coord(void) { @@ -361,7 +362,7 @@ int acpi_processor_tstate_has_changed(struct acpi_processor *pr) */ target_state = throttling_limit; } - return acpi_processor_set_throttling(pr, target_state); + return acpi_processor_set_throttling(pr, target_state, false); } /* @@ -839,10 +840,10 @@ static int acpi_processor_get_throttling_ptc(struct acpi_processor *pr) if (ret >= 0) { state = acpi_get_throttling_state(pr, value); if (state == -1) { - ACPI_WARNING((AE_INFO, - "Invalid throttling state, reset")); + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Invalid throttling state, reset\n")); state = 0; - ret = acpi_processor_set_throttling(pr, state); + ret = acpi_processor_set_throttling(pr, state, true); if (ret) return ret; } @@ -915,7 +916,7 @@ static int acpi_processor_get_fadt_info(struct acpi_processor *pr) } static int acpi_processor_set_throttling_fadt(struct acpi_processor *pr, - int state) + int state, bool force) { u32 value = 0; u32 duty_mask = 0; @@ -930,7 +931,7 @@ static int acpi_processor_set_throttling_fadt(struct acpi_processor *pr, if (!pr->flags.throttling) return -ENODEV; - if (state == pr->throttling.state) + if (!force && (state == pr->throttling.state)) return 0; if (state < pr->throttling_platform_limit) @@ -988,7 +989,7 @@ static int acpi_processor_set_throttling_fadt(struct acpi_processor *pr, } static int acpi_processor_set_throttling_ptc(struct acpi_processor *pr, - int state) + int state, bool force) { int ret; acpi_integer value; @@ -1002,7 +1003,7 @@ static int acpi_processor_set_throttling_ptc(struct acpi_processor *pr, if (!pr->flags.throttling) return -ENODEV; - if (state == pr->throttling.state) + if (!force && (state == pr->throttling.state)) return 0; if (state < pr->throttling_platform_limit) @@ -1018,7 +1019,8 @@ static int acpi_processor_set_throttling_ptc(struct acpi_processor *pr, return 0; } -int acpi_processor_set_throttling(struct acpi_processor *pr, int state) +int acpi_processor_set_throttling(struct acpi_processor *pr, + int state, bool force) { cpumask_var_t saved_mask; int ret = 0; @@ -1070,7 +1072,7 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state) /* FIXME: use work_on_cpu() */ set_cpus_allowed_ptr(current, cpumask_of(pr->id)); ret = p_throttling->acpi_processor_set_throttling(pr, - t_state.target_state); + t_state.target_state, force); } else { /* * When the T-state coordination is SW_ALL or HW_ALL, @@ -1103,7 +1105,7 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state) set_cpus_allowed_ptr(current, cpumask_of(i)); ret = match_pr->throttling. acpi_processor_set_throttling( - match_pr, t_state.target_state); + match_pr, t_state.target_state, force); } } /* @@ -1201,7 +1203,7 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Disabling throttling (was T%d)\n", pr->throttling.state)); - result = acpi_processor_set_throttling(pr, 0); + result = acpi_processor_set_throttling(pr, 0, false); if (result) goto end; } @@ -1307,7 +1309,7 @@ static ssize_t acpi_processor_write_throttling(struct file *file, if (strcmp(tmpbuf, charp) != 0) return -EINVAL; - result = acpi_processor_set_throttling(pr, state_val); + result = acpi_processor_set_throttling(pr, state_val, false); if (result) return result; diff --git a/drivers/leds/ledtrig-gpio.c b/drivers/leds/ledtrig-gpio.c index a247ae63374f..1bc5db4ece0d 100644 --- a/drivers/leds/ledtrig-gpio.c +++ b/drivers/leds/ledtrig-gpio.c @@ -117,6 +117,9 @@ static ssize_t gpio_trig_inverted_store(struct device *dev, gpio_data->inverted = !!inverted; + /* After inverting, we need to update the LED. */ + schedule_work(&gpio_data->work); + return n; } static DEVICE_ATTR(inverted, 0644, gpio_trig_inverted_show, @@ -146,20 +149,26 @@ static ssize_t gpio_trig_gpio_store(struct device *dev, return -EINVAL; } + if (gpio_data->gpio == gpio) + return n; + if (!gpio) { - free_irq(gpio_to_irq(gpio_data->gpio), led); + if (gpio_data->gpio != 0) + free_irq(gpio_to_irq(gpio_data->gpio), led); + gpio_data->gpio = 0; return n; } - if (gpio_data->gpio > 0 && gpio_data->gpio != gpio) - free_irq(gpio_to_irq(gpio_data->gpio), led); - - gpio_data->gpio = gpio; ret = request_irq(gpio_to_irq(gpio), gpio_trig_irq, IRQF_SHARED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "ledtrig-gpio", led); - if (ret) + if (ret) { dev_err(dev, "request_irq failed with error %d\n", ret); + } else { + if (gpio_data->gpio != 0) + free_irq(gpio_to_irq(gpio_data->gpio), led); + gpio_data->gpio = gpio; + } return ret ? ret : n; } @@ -211,7 +220,8 @@ static void gpio_trig_deactivate(struct led_classdev *led) device_remove_file(led->dev, &dev_attr_inverted); device_remove_file(led->dev, &dev_attr_desired_brightness); flush_work(&gpio_data->work); - free_irq(gpio_to_irq(gpio_data->gpio),led); + if (gpio_data->gpio != 0) + free_irq(gpio_to_irq(gpio_data->gpio), led); kfree(gpio_data); } } diff --git a/drivers/macintosh/via-maciisi.c b/drivers/macintosh/via-maciisi.c index 4d686c0bdea0..9ab5b0c34f0d 100644 --- a/drivers/macintosh/via-maciisi.c +++ b/drivers/macintosh/via-maciisi.c @@ -288,7 +288,7 @@ static void maciisi_sync(struct adb_request *req) } /* This could be BAD... when the ADB controller doesn't respond * for this long, it's probably not coming back :-( */ - if(count >= 50) /* Hopefully shouldn't happen */ + if (count > 50) /* Hopefully shouldn't happen */ printk(KERN_ERR "maciisi_send_request: poll timed out!\n"); } diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index 043b208d971d..f215a5919192 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -270,7 +270,7 @@ u32 method_id, const struct acpi_buffer *in, struct acpi_buffer *out) acpi_status status; struct acpi_object_list input; union acpi_object params[3]; - char method[4] = "WM"; + char method[5] = "WM"; if (!find_guid(guid_string, &wblock)) return AE_ERROR; @@ -328,8 +328,8 @@ struct acpi_buffer *out) acpi_status status, wc_status = AE_ERROR; struct acpi_object_list input, wc_input; union acpi_object wc_params[1], wq_params[1]; - char method[4]; - char wc_method[4] = "WC"; + char method[5]; + char wc_method[5] = "WC"; if (!guid_string || !out) return AE_BAD_PARAMETER; @@ -410,7 +410,7 @@ const struct acpi_buffer *in) acpi_handle handle; struct acpi_object_list input; union acpi_object params[2]; - char method[4] = "WS"; + char method[5] = "WS"; if (!guid_string || !in) return AE_BAD_DATA; diff --git a/drivers/pps/pps.c b/drivers/pps/pps.c index ac8cc8cea1e3..fea17e7805e9 100644 --- a/drivers/pps/pps.c +++ b/drivers/pps/pps.c @@ -244,7 +244,7 @@ int pps_register_cdev(struct pps_device *pps) } pps->dev = device_create(pps_class, pps->info.dev, pps->devno, NULL, "pps%d", pps->id); - if (err) + if (IS_ERR(pps->dev)) goto del_cdev; dev_set_drvdata(pps->dev, pps); diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c index 0a69672097a8..4e83c297ec9e 100644 --- a/drivers/thermal/thermal_sys.c +++ b/drivers/thermal/thermal_sys.c @@ -953,7 +953,12 @@ void thermal_zone_device_update(struct thermal_zone_device *tz) mutex_lock(&tz->lock); - tz->ops->get_temp(tz, &temp); + if (tz->ops->get_temp(tz, &temp)) { + /* get_temp failed - retry it later */ + printk(KERN_WARNING PREFIX "failed to read out thermal zone " + "%d\n", tz->id); + goto leave; + } for (count = 0; count < tz->trips; count++) { tz->ops->get_trip_type(tz, count, &trip_type); @@ -1005,6 +1010,8 @@ void thermal_zone_device_update(struct thermal_zone_device *tz) THERMAL_TRIPS_NONE); tz->last_temperature = temp; + + leave: if (tz->passive) thermal_zone_device_set_polling(tz, tz->passive_delay); else if (tz->polling_delay) diff --git a/include/acpi/processor.h b/include/acpi/processor.h index baf1e0a9a7ee..740ac3ad8fd0 100644 --- a/include/acpi/processor.h +++ b/include/acpi/processor.h @@ -174,7 +174,7 @@ struct acpi_processor_throttling { cpumask_var_t shared_cpu_map; int (*acpi_processor_get_throttling) (struct acpi_processor * pr); int (*acpi_processor_set_throttling) (struct acpi_processor * pr, - int state); + int state, bool force); u32 address; u8 duty_offset; @@ -321,7 +321,8 @@ static inline int acpi_processor_ppc_has_changed(struct acpi_processor *pr) /* in processor_throttling.c */ int acpi_processor_tstate_has_changed(struct acpi_processor *pr); int acpi_processor_get_throttling_info(struct acpi_processor *pr); -extern int acpi_processor_set_throttling(struct acpi_processor *pr, int state); +extern int acpi_processor_set_throttling(struct acpi_processor *pr, + int state, bool force); extern const struct file_operations acpi_processor_throttling_fops; extern void acpi_processor_throttling_init(void); /* in processor_idle.c */ diff --git a/include/linux/flex_array.h b/include/linux/flex_array.h index 23c1ec79a31b..45ff18491514 100644 --- a/include/linux/flex_array.h +++ b/include/linux/flex_array.h @@ -21,7 +21,7 @@ struct flex_array { struct { int element_size; int total_nr_elements; - struct flex_array_part *parts[0]; + struct flex_array_part *parts[]; }; /* * This little trick makes sure that @@ -36,12 +36,14 @@ struct flex_array { .total_nr_elements = (total), \ } } } -struct flex_array *flex_array_alloc(int element_size, int total, gfp_t flags); -int flex_array_prealloc(struct flex_array *fa, int start, int end, gfp_t flags); +struct flex_array *flex_array_alloc(int element_size, unsigned int total, + gfp_t flags); +int flex_array_prealloc(struct flex_array *fa, unsigned int start, + unsigned int end, gfp_t flags); void flex_array_free(struct flex_array *fa); void flex_array_free_parts(struct flex_array *fa); -int flex_array_put(struct flex_array *fa, int element_nr, void *src, +int flex_array_put(struct flex_array *fa, unsigned int element_nr, void *src, gfp_t flags); -void *flex_array_get(struct flex_array *fa, int element_nr); +void *flex_array_get(struct flex_array *fa, unsigned int element_nr); #endif /* _FLEX_ARRAY_H */ diff --git a/kernel/fork.c b/kernel/fork.c index 144326b7af50..e6c04d462ab2 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -815,11 +815,8 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk) { struct signal_struct *sig; - if (clone_flags & CLONE_THREAD) { - atomic_inc(¤t->signal->count); - atomic_inc(¤t->signal->live); + if (clone_flags & CLONE_THREAD) return 0; - } sig = kmem_cache_alloc(signal_cachep, GFP_KERNEL); tsk->signal = sig; @@ -877,16 +874,6 @@ void __cleanup_signal(struct signal_struct *sig) kmem_cache_free(signal_cachep, sig); } -static void cleanup_signal(struct task_struct *tsk) -{ - struct signal_struct *sig = tsk->signal; - - atomic_dec(&sig->live); - - if (atomic_dec_and_test(&sig->count)) - __cleanup_signal(sig); -} - static void copy_flags(unsigned long clone_flags, struct task_struct *p) { unsigned long new_flags = p->flags; @@ -1239,6 +1226,8 @@ static struct task_struct *copy_process(unsigned long clone_flags, } if (clone_flags & CLONE_THREAD) { + atomic_inc(¤t->signal->count); + atomic_inc(¤t->signal->live); p->group_leader = current->group_leader; list_add_tail_rcu(&p->thread_group, &p->group_leader->thread_group); } @@ -1282,7 +1271,8 @@ bad_fork_cleanup_mm: if (p->mm) mmput(p->mm); bad_fork_cleanup_signal: - cleanup_signal(p); + if (!(clone_flags & CLONE_THREAD)) + __cleanup_signal(p->signal); bad_fork_cleanup_sighand: __cleanup_sighand(p->sighand); bad_fork_cleanup_fs: diff --git a/lib/flex_array.c b/lib/flex_array.c index 08f1636d296a..7baed2fc3bc8 100644 --- a/lib/flex_array.c +++ b/lib/flex_array.c @@ -99,7 +99,8 @@ static inline int elements_fit_in_base(struct flex_array *fa) * capacity in the base structure. Also note that no effort is made * to efficiently pack objects across page boundaries. */ -struct flex_array *flex_array_alloc(int element_size, int total, gfp_t flags) +struct flex_array *flex_array_alloc(int element_size, unsigned int total, + gfp_t flags) { struct flex_array *ret; int max_size = nr_base_part_ptrs() * __elements_per_part(element_size); @@ -115,16 +116,14 @@ struct flex_array *flex_array_alloc(int element_size, int total, gfp_t flags) return ret; } -static int fa_element_to_part_nr(struct flex_array *fa, int element_nr) +static int fa_element_to_part_nr(struct flex_array *fa, + unsigned int element_nr) { return element_nr / __elements_per_part(fa->element_size); } /** * flex_array_free_parts - just free the second-level pages - * @src: address of data to copy into the array - * @element_nr: index of the position in which to insert - * the new element. * * This is to be used in cases where the base 'struct flex_array' * has been statically allocated and should not be free. @@ -146,14 +145,12 @@ void flex_array_free(struct flex_array *fa) kfree(fa); } -static int fa_index_inside_part(struct flex_array *fa, int element_nr) +static unsigned int index_inside_part(struct flex_array *fa, + unsigned int element_nr) { - return element_nr % __elements_per_part(fa->element_size); -} + unsigned int part_offset; -static int index_inside_part(struct flex_array *fa, int element_nr) -{ - int part_offset = fa_index_inside_part(fa, element_nr); + part_offset = element_nr % __elements_per_part(fa->element_size); return part_offset * fa->element_size; } @@ -188,7 +185,8 @@ __fa_get_part(struct flex_array *fa, int part_nr, gfp_t flags) * * Locking must be provided by the caller. */ -int flex_array_put(struct flex_array *fa, int element_nr, void *src, gfp_t flags) +int flex_array_put(struct flex_array *fa, unsigned int element_nr, void *src, + gfp_t flags) { int part_nr = fa_element_to_part_nr(fa, element_nr); struct flex_array_part *part; @@ -198,10 +196,11 @@ int flex_array_put(struct flex_array *fa, int element_nr, void *src, gfp_t flags return -ENOSPC; if (elements_fit_in_base(fa)) part = (struct flex_array_part *)&fa->parts[0]; - else + else { part = __fa_get_part(fa, part_nr, flags); - if (!part) - return -ENOMEM; + if (!part) + return -ENOMEM; + } dst = &part->elements[index_inside_part(fa, element_nr)]; memcpy(dst, src, fa->element_size); return 0; @@ -219,7 +218,8 @@ int flex_array_put(struct flex_array *fa, int element_nr, void *src, gfp_t flags * * Locking must be provided by the caller. */ -int flex_array_prealloc(struct flex_array *fa, int start, int end, gfp_t flags) +int flex_array_prealloc(struct flex_array *fa, unsigned int start, + unsigned int end, gfp_t flags) { int start_part; int end_part; @@ -250,18 +250,19 @@ int flex_array_prealloc(struct flex_array *fa, int start, int end, gfp_t flags) * * Locking must be provided by the caller. */ -void *flex_array_get(struct flex_array *fa, int element_nr) +void *flex_array_get(struct flex_array *fa, unsigned int element_nr) { int part_nr = fa_element_to_part_nr(fa, element_nr); struct flex_array_part *part; if (element_nr >= fa->total_nr_elements) return NULL; - if (!fa->parts[part_nr]) - return NULL; if (elements_fit_in_base(fa)) part = (struct flex_array_part *)&fa->parts[0]; - else + else { part = fa->parts[part_nr]; + if (!part) + return NULL; + } return &part->elements[index_inside_part(fa, element_nr)]; } diff --git a/mm/rmap.c b/mm/rmap.c index 836c6c63e1f2..0895b5c7cbff 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -358,6 +358,7 @@ static int page_referenced_one(struct page *page, */ if (vma->vm_flags & VM_LOCKED) { *mapcount = 1; /* break early from loop */ + *vm_flags |= VM_LOCKED; goto out_unmap; } diff --git a/mm/vmscan.c b/mm/vmscan.c index dea7abd31098..94e86dd6954c 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -630,9 +630,14 @@ static unsigned long shrink_page_list(struct list_head *page_list, referenced = page_referenced(page, 1, sc->mem_cgroup, &vm_flags); - /* In active use or really unfreeable? Activate it. */ + /* + * In active use or really unfreeable? Activate it. + * If page which have PG_mlocked lost isoltation race, + * try_to_unmap moves it to unevictable list + */ if (sc->order <= PAGE_ALLOC_COSTLY_ORDER && - referenced && page_mapping_inuse(page)) + referenced && page_mapping_inuse(page) + && !(vm_flags & VM_LOCKED)) goto activate_locked; /* diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c index 101c512564ec..4732f5e5d127 100644 --- a/security/integrity/ima/ima_main.c +++ b/security/integrity/ima/ima_main.c @@ -262,6 +262,8 @@ void ima_counts_put(struct path *path, int mask) else if (mask & (MAY_READ | MAY_EXEC)) iint->readcount--; mutex_unlock(&iint->mutex); + + kref_put(&iint->refcount, iint_free); } /* @@ -291,6 +293,8 @@ void ima_counts_get(struct file *file) if (file->f_mode & FMODE_WRITE) iint->writecount++; mutex_unlock(&iint->mutex); + + kref_put(&iint->refcount, iint_free); } EXPORT_SYMBOL_GPL(ima_counts_get); |