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author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-13 16:00:36 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-13 16:00:36 -0500 |
commit | 78a45c6f067824cf5d0a9fedea7339ac2e28603c (patch) | |
tree | b4f78c8b6b9059ddace0a18c11629b8d2045f793 /mm/memblock.c | |
parent | f96fe225677b3efb74346ebd56fafe3997b02afa (diff) | |
parent | 29d293b6007b91a4463f05bc8d0b26e0e65c5816 (diff) |
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) | |||
715 | } | 715 | } |
716 | 716 | ||
717 | /** | 717 | /** |
718 | * memblock_mark_hotplug - Mark hotpluggable memory with flag MEMBLOCK_HOTPLUG. | ||
719 | * @base: the base phys addr of the region | ||
720 | * @size: the size of the region | ||
721 | * | 718 | * |
722 | * This function isolates region [@base, @base + @size), and mark it with flag | 719 | * This function isolates region [@base, @base + @size), and sets/clears flag |
723 | * MEMBLOCK_HOTPLUG. | ||
724 | * | 720 | * |
725 | * Return 0 on succees, -errno on failure. | 721 | * Return 0 on succees, -errno on failure. |
726 | */ | 722 | */ |
727 | int __init_memblock memblock_mark_hotplug(phys_addr_t base, phys_addr_t size) | 723 | static int __init_memblock memblock_setclr_flag(phys_addr_t base, |
724 | phys_addr_t size, int set, int flag) | ||
728 | { | 725 | { |
729 | struct memblock_type *type = &memblock.memory; | 726 | struct memblock_type *type = &memblock.memory; |
730 | int i, ret, start_rgn, end_rgn; | 727 | 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) | |||
734 | return ret; | 731 | return ret; |
735 | 732 | ||
736 | for (i = start_rgn; i < end_rgn; i++) | 733 | for (i = start_rgn; i < end_rgn; i++) |
737 | memblock_set_region_flags(&type->regions[i], MEMBLOCK_HOTPLUG); | 734 | if (set) |
735 | memblock_set_region_flags(&type->regions[i], flag); | ||
736 | else | ||
737 | memblock_clear_region_flags(&type->regions[i], flag); | ||
738 | 738 | ||
739 | memblock_merge_regions(type); | 739 | memblock_merge_regions(type); |
740 | return 0; | 740 | return 0; |
741 | } | 741 | } |
742 | 742 | ||
743 | /** | 743 | /** |
744 | * memblock_clear_hotplug - Clear flag MEMBLOCK_HOTPLUG for a specified region. | 744 | * memblock_mark_hotplug - Mark hotpluggable memory with flag MEMBLOCK_HOTPLUG. |
745 | * @base: the base phys addr of the region | 745 | * @base: the base phys addr of the region |
746 | * @size: the size of the region | 746 | * @size: the size of the region |
747 | * | 747 | * |
748 | * This function isolates region [@base, @base + @size), and clear flag | 748 | * Return 0 on succees, -errno on failure. |
749 | * MEMBLOCK_HOTPLUG for the isolated regions. | 749 | */ |
750 | int __init_memblock memblock_mark_hotplug(phys_addr_t base, phys_addr_t size) | ||
751 | { | ||
752 | return memblock_setclr_flag(base, size, 1, MEMBLOCK_HOTPLUG); | ||
753 | } | ||
754 | |||
755 | /** | ||
756 | * memblock_clear_hotplug - Clear flag MEMBLOCK_HOTPLUG for a specified region. | ||
757 | * @base: the base phys addr of the region | ||
758 | * @size: the size of the region | ||
750 | * | 759 | * |
751 | * Return 0 on succees, -errno on failure. | 760 | * Return 0 on succees, -errno on failure. |
752 | */ | 761 | */ |
753 | int __init_memblock memblock_clear_hotplug(phys_addr_t base, phys_addr_t size) | 762 | int __init_memblock memblock_clear_hotplug(phys_addr_t base, phys_addr_t size) |
754 | { | 763 | { |
755 | struct memblock_type *type = &memblock.memory; | 764 | return memblock_setclr_flag(base, size, 0, MEMBLOCK_HOTPLUG); |
756 | int i, ret, start_rgn, end_rgn; | ||
757 | |||
758 | ret = memblock_isolate_range(type, base, size, &start_rgn, &end_rgn); | ||
759 | if (ret) | ||
760 | return ret; | ||
761 | |||
762 | for (i = start_rgn; i < end_rgn; i++) | ||
763 | memblock_clear_region_flags(&type->regions[i], | ||
764 | MEMBLOCK_HOTPLUG); | ||
765 | |||
766 | memblock_merge_regions(type); | ||
767 | return 0; | ||
768 | } | 765 | } |
769 | 766 | ||
770 | /** | 767 | /** |