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author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-13 13:00:36 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-13 13:00:36 -0800 |
commit | 78a45c6f067824cf5d0a9fedea7339ac2e28603c (patch) | |
tree | b4f78c8b6b9059ddace0a18c11629b8d2045f793 /mm/memblock.c | |
parent | f96fe225677b3efb74346ebd56fafe3997b02afa (diff) | |
parent | 29d293b6007b91a4463f05bc8d0b26e0e65c5816 (diff) | |
download | linux-78a45c6f067824cf5d0a9fedea7339ac2e28603c.tar.gz linux-78a45c6f067824cf5d0a9fedea7339ac2e28603c.tar.bz2 linux-78a45c6f067824cf5d0a9fedea7339ac2e28603c.zip |
Merge branch 'akpm' (second patch-bomb from Andrew)
Merge second patchbomb from Andrew Morton:
- the rest of MM
- misc fs fixes
- add execveat() syscall
- new ratelimit feature for fault-injection
- decompressor updates
- ipc/ updates
- fallocate feature creep
- fsnotify cleanups
- a few other misc things
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (99 commits)
cgroups: Documentation: fix trivial typos and wrong paragraph numberings
parisc: percpu: update comments referring to __get_cpu_var
percpu: update local_ops.txt to reflect this_cpu operations
percpu: remove __get_cpu_var and __raw_get_cpu_var macros
fsnotify: remove destroy_list from fsnotify_mark
fsnotify: unify inode and mount marks handling
fallocate: create FAN_MODIFY and IN_MODIFY events
mm/cma: make kmemleak ignore CMA regions
slub: fix cpuset check in get_any_partial
slab: fix cpuset check in fallback_alloc
shmdt: use i_size_read() instead of ->i_size
ipc/shm.c: fix overly aggressive shmdt() when calls span multiple segments
ipc/msg: increase MSGMNI, remove scaling
ipc/sem.c: increase SEMMSL, SEMMNI, SEMOPM
ipc/sem.c: change memory barrier in sem_lock() to smp_rmb()
lib/decompress.c: consistency of compress formats for kernel image
decompress_bunzip2: off by one in get_next_block()
usr/Kconfig: make initrd compression algorithm selection not expert
fault-inject: add ratelimit option
ratelimit: add initialization macro
...
Diffstat (limited to 'mm/memblock.c')
-rw-r--r-- | mm/memblock.c | 43 |
1 files changed, 20 insertions, 23 deletions
diff --git a/mm/memblock.c b/mm/memblock.c index 6ecb0d937fb5..252b77bdf65e 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -715,16 +715,13 @@ int __init_memblock memblock_reserve(phys_addr_t base, phys_addr_t size) } /** - * memblock_mark_hotplug - Mark hotpluggable memory with flag MEMBLOCK_HOTPLUG. - * @base: the base phys addr of the region - * @size: the size of the region * - * This function isolates region [@base, @base + @size), and mark it with flag - * MEMBLOCK_HOTPLUG. + * This function isolates region [@base, @base + @size), and sets/clears flag * * Return 0 on succees, -errno on failure. */ -int __init_memblock memblock_mark_hotplug(phys_addr_t base, phys_addr_t size) +static int __init_memblock memblock_setclr_flag(phys_addr_t base, + phys_addr_t size, int set, int flag) { struct memblock_type *type = &memblock.memory; int i, ret, start_rgn, end_rgn; @@ -734,37 +731,37 @@ int __init_memblock memblock_mark_hotplug(phys_addr_t base, phys_addr_t size) return ret; for (i = start_rgn; i < end_rgn; i++) - memblock_set_region_flags(&type->regions[i], MEMBLOCK_HOTPLUG); + if (set) + memblock_set_region_flags(&type->regions[i], flag); + else + memblock_clear_region_flags(&type->regions[i], flag); memblock_merge_regions(type); return 0; } /** - * memblock_clear_hotplug - Clear flag MEMBLOCK_HOTPLUG for a specified region. + * memblock_mark_hotplug - Mark hotpluggable memory with flag MEMBLOCK_HOTPLUG. * @base: the base phys addr of the region * @size: the size of the region * - * This function isolates region [@base, @base + @size), and clear flag - * MEMBLOCK_HOTPLUG for the isolated regions. + * Return 0 on succees, -errno on failure. + */ +int __init_memblock memblock_mark_hotplug(phys_addr_t base, phys_addr_t size) +{ + return memblock_setclr_flag(base, size, 1, MEMBLOCK_HOTPLUG); +} + +/** + * memblock_clear_hotplug - Clear flag MEMBLOCK_HOTPLUG for a specified region. + * @base: the base phys addr of the region + * @size: the size of the region * * Return 0 on succees, -errno on failure. */ int __init_memblock memblock_clear_hotplug(phys_addr_t base, phys_addr_t size) { - struct memblock_type *type = &memblock.memory; - int i, ret, start_rgn, end_rgn; - - ret = memblock_isolate_range(type, base, size, &start_rgn, &end_rgn); - if (ret) - return ret; - - for (i = start_rgn; i < end_rgn; i++) - memblock_clear_region_flags(&type->regions[i], - MEMBLOCK_HOTPLUG); - - memblock_merge_regions(type); - return 0; + return memblock_setclr_flag(base, size, 0, MEMBLOCK_HOTPLUG); } /** |