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-rw-r--r--include/linux/backing-dev-defs.h3
-rw-r--r--include/linux/cma.h3
-rw-r--r--include/linux/compiler-gcc.h2
-rw-r--r--include/linux/huge_mm.h2
-rw-r--r--include/linux/kthread.h2
-rw-r--r--include/linux/mempolicy.h8
-rw-r--r--include/linux/of_fdt.h1
-rw-r--r--include/linux/printk.h17
-rw-r--r--include/linux/radix-tree.h34
-rw-r--r--include/linux/rmap.h10
-rw-r--r--include/linux/sched.h6
-rw-r--r--include/linux/swap.h34
-rw-r--r--include/linux/vmalloc.h1
13 files changed, 62 insertions, 61 deletions
diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h
index c357f27d5483..0b5b1af35e5e 100644
--- a/include/linux/backing-dev-defs.h
+++ b/include/linux/backing-dev-defs.h
@@ -136,12 +136,13 @@ struct bdi_writeback {
struct backing_dev_info {
struct list_head bdi_list;
unsigned long ra_pages; /* max readahead in PAGE_SIZE units */
- unsigned int capabilities; /* Device capabilities */
+ unsigned long io_pages; /* max allowed IO size */
congested_fn *congested_fn; /* Function pointer if device is md/dm */
void *congested_data; /* Pointer to aux data for congested func */
char *name;
+ unsigned int capabilities; /* Device capabilities */
unsigned int min_ratio;
unsigned int max_ratio, max_prop_frac;
diff --git a/include/linux/cma.h b/include/linux/cma.h
index 29f9e774ab76..6f0a91b37f68 100644
--- a/include/linux/cma.h
+++ b/include/linux/cma.h
@@ -1,6 +1,9 @@
#ifndef __CMA_H__
#define __CMA_H__
+#include <linux/init.h>
+#include <linux/types.h>
+
/*
* There is always at least global CMA area and a few optional
* areas configured in kernel .config.
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 928e5ca0caee..0444b1336268 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -21,7 +21,7 @@
* clobbered. The issue is as follows: while the inline asm might
* access any memory it wants, the compiler could have fit all of
* @ptr into memory registers instead, and since @ptr never escaped
- * from that, it proofed that the inline asm wasn't touching any of
+ * from that, it proved that the inline asm wasn't touching any of
* it. This version works well with both compilers, i.e. we're telling
* the compiler that the inline asm absolutely may see the contents
* of @ptr. See also: https://llvm.org/bugs/show_bug.cgi?id=15495
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index e35e6de633b9..1f782aa1d8e6 100644
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -189,6 +189,8 @@ static inline void deferred_split_huge_page(struct page *page) {}
#define split_huge_pmd(__vma, __pmd, __address) \
do { } while (0)
+static inline void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
+ unsigned long address, bool freeze, struct page *page) {}
static inline void split_huge_pmd_address(struct vm_area_struct *vma,
unsigned long address, bool freeze, struct page *page) {}
diff --git a/include/linux/kthread.h b/include/linux/kthread.h
index c1c3e63d52c1..4fec8b775895 100644
--- a/include/linux/kthread.h
+++ b/include/linux/kthread.h
@@ -175,7 +175,7 @@ __printf(2, 3)
struct kthread_worker *
kthread_create_worker(unsigned int flags, const char namefmt[], ...);
-struct kthread_worker *
+__printf(3, 4) struct kthread_worker *
kthread_create_worker_on_cpu(int cpu, unsigned int flags,
const char namefmt[], ...);
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index 5e5b2969d931..5f4d8281832b 100644
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -7,6 +7,7 @@
#include <linux/mmzone.h>
+#include <linux/dax.h>
#include <linux/slab.h>
#include <linux/rbtree.h>
#include <linux/spinlock.h>
@@ -177,6 +178,13 @@ static inline bool vma_migratable(struct vm_area_struct *vma)
if (vma->vm_flags & (VM_IO | VM_PFNMAP))
return false;
+ /*
+ * DAX device mappings require predictable access latency, so avoid
+ * incurring periodic faults.
+ */
+ if (vma_is_dax(vma))
+ return false;
+
#ifndef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION
if (vma->vm_flags & VM_HUGETLB)
return false;
diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
index 4341f32516d8..271b3fdf0070 100644
--- a/include/linux/of_fdt.h
+++ b/include/linux/of_fdt.h
@@ -71,6 +71,7 @@ extern int early_init_dt_scan_chosen_stdout(void);
extern void early_init_fdt_scan_reserved_mem(void);
extern void early_init_fdt_reserve_self(void);
extern void early_init_dt_add_memory_arch(u64 base, u64 size);
+extern int early_init_dt_mark_hotplug_memory_arch(u64 base, u64 size);
extern int early_init_dt_reserve_memory_arch(phys_addr_t base, phys_addr_t size,
bool no_map);
extern void * early_init_dt_alloc_memory_arch(u64 size, u64 align);
diff --git a/include/linux/printk.h b/include/linux/printk.h
index eac1af8502bb..3472cc6b7a60 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -10,6 +10,8 @@
extern const char linux_banner[];
extern const char linux_proc_banner[];
+#define PRINTK_MAX_SINGLE_HEADER_LEN 2
+
static inline int printk_get_level(const char *buffer)
{
if (buffer[0] == KERN_SOH_ASCII && buffer[1]) {
@@ -31,6 +33,14 @@ static inline const char *printk_skip_level(const char *buffer)
return buffer;
}
+static inline const char *printk_skip_headers(const char *buffer)
+{
+ while (printk_get_level(buffer))
+ buffer = printk_skip_level(buffer);
+
+ return buffer;
+}
+
#define CONSOLE_EXT_LOG_MAX 8192
/* printk's without a loglevel use this.. */
@@ -40,10 +50,15 @@ static inline const char *printk_skip_level(const char *buffer)
#define CONSOLE_LOGLEVEL_SILENT 0 /* Mum's the word */
#define CONSOLE_LOGLEVEL_MIN 1 /* Minimum loglevel we let people use */
#define CONSOLE_LOGLEVEL_QUIET 4 /* Shhh ..., when booted with "quiet" */
-#define CONSOLE_LOGLEVEL_DEFAULT 7 /* anything MORE serious than KERN_DEBUG */
#define CONSOLE_LOGLEVEL_DEBUG 10 /* issue debug messages */
#define CONSOLE_LOGLEVEL_MOTORMOUTH 15 /* You can't shut this one up */
+/*
+ * Default used to be hard-coded at 7, we're now allowing it to be set from
+ * kernel config.
+ */
+#define CONSOLE_LOGLEVEL_DEFAULT CONFIG_CONSOLE_LOGLEVEL_DEFAULT
+
extern int console_printk[];
#define console_loglevel (console_printk[0])
diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index af3581b8a451..744486057e9e 100644
--- a/include/linux/radix-tree.h
+++ b/include/linux/radix-tree.h
@@ -80,14 +80,11 @@ static inline bool radix_tree_is_internal_node(void *ptr)
#define RADIX_TREE_MAX_PATH (DIV_ROUND_UP(RADIX_TREE_INDEX_BITS, \
RADIX_TREE_MAP_SHIFT))
-/* Internally used bits of node->count */
-#define RADIX_TREE_COUNT_SHIFT (RADIX_TREE_MAP_SHIFT + 1)
-#define RADIX_TREE_COUNT_MASK ((1UL << RADIX_TREE_COUNT_SHIFT) - 1)
-
struct radix_tree_node {
- unsigned char shift; /* Bits remaining in each slot */
- unsigned char offset; /* Slot offset in parent */
- unsigned int count;
+ unsigned char shift; /* Bits remaining in each slot */
+ unsigned char offset; /* Slot offset in parent */
+ unsigned char count; /* Total entry count */
+ unsigned char exceptional; /* Exceptional entry count */
union {
struct {
/* Used when ascending tree */
@@ -248,20 +245,6 @@ static inline int radix_tree_exception(void *arg)
return unlikely((unsigned long)arg & RADIX_TREE_ENTRY_MASK);
}
-/**
- * radix_tree_replace_slot - replace item in a slot
- * @pslot: pointer to slot, returned by radix_tree_lookup_slot
- * @item: new item to store in the slot.
- *
- * For use with radix_tree_lookup_slot(). Caller must hold tree write locked
- * across slot lookup and replacement.
- */
-static inline void radix_tree_replace_slot(void **pslot, void *item)
-{
- BUG_ON(radix_tree_is_internal_node(item));
- rcu_assign_pointer(*pslot, item);
-}
-
int __radix_tree_create(struct radix_tree_root *root, unsigned long index,
unsigned order, struct radix_tree_node **nodep,
void ***slotp);
@@ -276,7 +259,14 @@ void *__radix_tree_lookup(struct radix_tree_root *root, unsigned long index,
struct radix_tree_node **nodep, void ***slotp);
void *radix_tree_lookup(struct radix_tree_root *, unsigned long);
void **radix_tree_lookup_slot(struct radix_tree_root *, unsigned long);
-bool __radix_tree_delete_node(struct radix_tree_root *root,
+typedef void (*radix_tree_update_node_t)(struct radix_tree_node *, void *);
+void __radix_tree_replace(struct radix_tree_root *root,
+ struct radix_tree_node *node,
+ void **slot, void *item,
+ radix_tree_update_node_t update_node, void *private);
+void radix_tree_replace_slot(struct radix_tree_root *root,
+ void **slot, void *item);
+void __radix_tree_delete_node(struct radix_tree_root *root,
struct radix_tree_node *node);
void *radix_tree_delete_item(struct radix_tree_root *, unsigned long, void *);
void *radix_tree_delete(struct radix_tree_root *, unsigned long);
diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index b46bb5620a76..15321fb1df6b 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -137,11 +137,19 @@ static inline void anon_vma_unlock_read(struct anon_vma *anon_vma)
* anon_vma helper functions.
*/
void anon_vma_init(void); /* create anon_vma_cachep */
-int anon_vma_prepare(struct vm_area_struct *);
+int __anon_vma_prepare(struct vm_area_struct *);
void unlink_anon_vmas(struct vm_area_struct *);
int anon_vma_clone(struct vm_area_struct *, struct vm_area_struct *);
int anon_vma_fork(struct vm_area_struct *, struct vm_area_struct *);
+static inline int anon_vma_prepare(struct vm_area_struct *vma)
+{
+ if (likely(vma->anon_vma))
+ return 0;
+
+ return __anon_vma_prepare(vma);
+}
+
static inline void anon_vma_merge(struct vm_area_struct *vma,
struct vm_area_struct *next)
{
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 7551d3e2ab70..0e90f2973719 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -540,7 +540,11 @@ static inline int get_dumpable(struct mm_struct *mm)
/* leave room for more dump flags */
#define MMF_VM_MERGEABLE 16 /* KSM may merge identical pages */
#define MMF_VM_HUGEPAGE 17 /* set when VM_HUGEPAGE is set on vma */
-#define MMF_EXE_FILE_CHANGED 18 /* see prctl_set_mm_exe_file() */
+/*
+ * This one-shot flag is dropped due to necessity of changing exe once again
+ * on NFS restore
+ */
+//#define MMF_EXE_FILE_CHANGED 18 /* see prctl_set_mm_exe_file() */
#define MMF_HAS_UPROBES 19 /* has uprobes */
#define MMF_RECALC_UPROBES 20 /* MMF_HAS_UPROBES can be wrong */
diff --git a/include/linux/swap.h b/include/linux/swap.h
index a56523cefb9b..09b212d37f1d 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -246,39 +246,7 @@ struct swap_info_struct {
void *workingset_eviction(struct address_space *mapping, struct page *page);
bool workingset_refault(void *shadow);
void workingset_activation(struct page *page);
-extern struct list_lru workingset_shadow_nodes;
-
-static inline unsigned int workingset_node_pages(struct radix_tree_node *node)
-{
- return node->count & RADIX_TREE_COUNT_MASK;
-}
-
-static inline void workingset_node_pages_inc(struct radix_tree_node *node)
-{
- node->count++;
-}
-
-static inline void workingset_node_pages_dec(struct radix_tree_node *node)
-{
- VM_WARN_ON_ONCE(!workingset_node_pages(node));
- node->count--;
-}
-
-static inline unsigned int workingset_node_shadows(struct radix_tree_node *node)
-{
- return node->count >> RADIX_TREE_COUNT_SHIFT;
-}
-
-static inline void workingset_node_shadows_inc(struct radix_tree_node *node)
-{
- node->count += 1U << RADIX_TREE_COUNT_SHIFT;
-}
-
-static inline void workingset_node_shadows_dec(struct radix_tree_node *node)
-{
- VM_WARN_ON_ONCE(!workingset_node_shadows(node));
- node->count -= 1U << RADIX_TREE_COUNT_SHIFT;
-}
+void workingset_update_node(struct radix_tree_node *node, void *private);
/* linux/mm/page_alloc.c */
extern unsigned long totalram_pages;
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 3d9d786a943c..d68edffbf142 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -82,6 +82,7 @@ extern void *__vmalloc_node_range(unsigned long size, unsigned long align,
const void *caller);
extern void vfree(const void *addr);
+extern void vfree_atomic(const void *addr);
extern void *vmap(struct page **pages, unsigned int count,
unsigned long flags, pgprot_t prot);