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mm: migration: share the anon_vma ref counts between KSM and page migration
Mel Gorman authored 

For clarity of review, KSM and page migration have separate refcounts on
the anon_vma.  While clear, this is a waste of memory.  This patch gets
KSM and page migration to share their toys in a spirit of harmony.
Signed-off-by: default avatarMel Gorman <mel@csn.ul.ie>
Reviewed-by: default avatarMinchan Kim <minchan.kim@gmail.com>
Reviewed-by: default avatarKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: default avatarChristoph Lameter <cl@linux-foundation.org>
Reviewed-by: default avatarKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
7f60c214
Name Last commit Last update
..
Kconfig Merge branch 'x86-bootmem-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
Kconfig.debug trivial: improve help text for mm debug config options
Makefile percpu: don't implicitly include slab.h from percpu.h
backing-dev.c writeback: fixups for !dirty_writeback_centisecs
bootmem.c Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip
bounce.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
debug-pagealloc.c generic debug pagealloc
dmapool.c dmapools: protect page_list walk in show_pools()
fadvise.c readahead: introduce FMODE_RANDOM for POSIX_FADV_RANDOM
failslab.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
filemap.c cpuset,mm: fix no node to alloc memory when changing cpuset's mems
filemap_xip.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
fremap.c mm: clean up mm_counter
highmem.c grammar fix in comment
hugetlb.c cpuset,mm: fix no node to alloc memory when changing cpuset's mems
hwpoison-inject.c HWPOISON: Don't do early filtering if filter is disabled
init-mm.c mm: consolidate init_mm definition
internal.h HWPOISON: add an interface to switch off/on all the page filters
kmemcheck.c kmemcheck: add hooks for the page allocator
kmemleak-test.c percpu: clean up percpu variable definitions
kmemleak.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
ksm.c mm: migration: share the anon_vma ref counts between KSM and page migration
maccess.c maccess,probe_kernel: Allow arch specific override probe_kernel_(read|write)
madvise.c HWPOISON: Add a madvise() injector for soft page offlining
memcontrol.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
memory-failure.c
memory.c
memory_hotplug.c
mempolicy.c
mempool.c
migrate.c
mincore.c
mlock.c
mm_init.c
mmap.c
mmu_context.c
mmu_notifier.c
mmzone.c
mprotect.c
mremap.c
msync.c
nommu.c
oom_kill.c
page-writeback.c
page_alloc.c
page_cgroup.c
page_io.c
page_isolation.c
pagewalk.c
percpu-km.c
percpu-vm.c
percpu.c
percpu_up.c
prio_tree.c
quicklist.c
readahead.c
rmap.c
shmem.c
slab.c
slob.c
slub.c
sparse-vmemmap.c
sparse.c
swap.c
swap_state.c
swapfile.c
thrash.c
truncate.c
util.c
vmalloc.c
vmscan.c
vmstat.c