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alistair23-linux/mm
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Chris Wilson fb0fec501f mm: Export nr_swap_pages 
Some modules, like i915.ko, use swappable objects and may try to swap
them out under memory pressure (via the shrinker). Before doing so, they
want to check using get_nr_swap_pages() to see if any swap space is
available as otherwise they will waste time purging the object from the
device without recovering any memory for the system. This requires the
nr_swap_pages counter to be exported to the modules.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: "Goel, Akash" <akash.goel@intel.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: linux-mm@kvack.org
Link: http://patchwork.freedesktop.org/patch/msgid/1449244734-25733-1-git-send-email-chris@chris-wilson.co.uk
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2016-01-05 11:02:18 +01:00
..
kasan kasan: fix kmemleak false-positive in kasan_module_alloc() 2015-11-20 16:17:32 -08:00
backing-dev.c mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd 2015-11-06 17:50:42 -08:00
balloon_compaction.c mm: page migration trylock newpage at same level as oldpage 2015-11-05 19:34:48 -08:00
bootmem.c bootmem: avoid freeing to bootmem after bootmem is done 2015-09-08 15:35:28 -07:00
cleancache.c
cma.c mm/cma.c: suppress warning 2015-11-05 19:34:48 -08:00
cma.h
cma_debug.c
compaction.c mm, compaction: distinguish contended status in tracepoints 2015-11-05 19:34:48 -08:00
debug-pagealloc.c
debug.c mm: make compound_head() robust 2015-11-06 17:50:42 -08:00
dmapool.c mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd 2015-11-06 17:50:42 -08:00
early_ioremap.c mm/early_ioremap: use offset_in_page macro 2015-11-05 19:34:48 -08:00
fadvise.c
failslab.c mm, page_alloc: rename __GFP_WAIT to __GFP_RECLAIM 2015-11-06 17:50:42 -08:00
filemap.c mm, fs: introduce mapping_gfp_constraint() 2015-11-06 17:50:42 -08:00
frame_vector.c mm: fix docbook comment for get_vaddr_frames() 2015-11-05 19:34:48 -08:00
frontswap.c
gup.c mm: introduce VM_LOCKONFAULT 2015-11-05 19:34:48 -08:00
highmem.c
huge_memory.c mm: loosen MADV_NOHUGEPAGE to enable Qemu postcopy on s390 2015-11-20 16:17:32 -08:00
hugetlb.c hugetlb: trivial comment fix 2015-11-10 16:32:11 -08:00
hugetlb_cgroup.c mm: make compound_head() robust 2015-11-06 17:50:42 -08:00
hwpoison-inject.c hwpoison: use page_cgroup_ino for filtering by memcg 2015-09-10 13:29:01 -07:00
init-mm.c
internal.h mm: use 'unsigned int' for page order 2015-11-06 17:50:42 -08:00
interval_tree.c
Kconfig mm: make compound_head() robust 2015-11-06 17:50:42 -08:00
Kconfig.debug
kmemcheck.c
kmemleak-test.c
kmemleak.c mm/kmemleak.c: remove unneeded initialization of object to NULL 2015-11-05 19:34:48 -08:00
ksm.c ksm: unstable_tree_search_insert error checking cleanup 2015-11-05 19:34:48 -08:00
list_lru.c memcg: simplify and inline __mem_cgroup_from_kmem 2015-11-05 19:34:48 -08:00
maccess.c mm/maccess.c: actually return -EFAULT from strncpy_from_unsafe 2015-11-05 19:34:48 -08:00
madvise.c mm: madvise allow remove operation for hugetlbfs 2015-09-08 15:35:28 -07:00
Makefile media updates for v4.3-rc1 2015-09-11 16:42:39 -07:00
memblock.c mm/memblock: make memblock_remove_range() static 2015-11-05 19:34:48 -08:00
memcontrol.c mm/memcontrol.c: uninline mem_cgroup_usage 2015-11-06 17:50:42 -08:00
memory-failure.c mm: make compound_head() robust 2015-11-06 17:50:42 -08:00
memory.c mm, dax: fix DAX deadlocks (COW fault) 2015-11-18 16:54:36 -08:00
memory_hotplug.c mm/page_alloc: remove unused parameter in init_currently_empty_zone() 2015-11-05 19:34:48 -08:00
mempolicy.c mm: rename alloc_pages_exact_node() to __alloc_pages_node() 2015-09-08 15:35:28 -07:00
mempool.c mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd 2015-11-06 17:50:42 -08:00
memtest.c memtest: remove unused header files 2015-09-08 15:35:28 -07:00
migrate.c mm, page_alloc: rename __GFP_WAIT to __GFP_RECLAIM 2015-11-06 17:50:42 -08:00
mincore.c mm/mincore: use offset_in_page macro 2015-11-05 19:34:48 -08:00
mlock.c mm: mlock: add mlock flags to enable VM_LOCKONFAULT usage 2015-11-05 19:34:48 -08:00
mm_init.c
mmap.c mm: introduce VM_LOCKONFAULT 2015-11-05 19:34:48 -08:00
mmu_context.c
mmu_notifier.c mmu-notifier: add clear_young callback 2015-09-10 13:29:01 -07:00
mmzone.c
mprotect.c userfaultfd: teach vma_merge to merge across vma->vm_userfaultfd_ctx 2015-09-04 16:54:41 -07:00
mremap.c mm/mremap: use offset_in_page macro 2015-11-05 19:34:48 -08:00
msync.c mm/msync: use offset_in_page macro 2015-11-05 19:34:48 -08:00
nobootmem.c
nommu.c mm/nommu.c: drop unlikely inside BUG_ON() 2015-11-05 19:34:48 -08:00
oom_kill.c mm/oom_kill.c: introduce is_sysrq_oom helper 2015-11-06 17:50:42 -08:00
page-writeback.c mm/page-writeback.c: initialize m_dirty to avoid compile warning 2015-11-20 16:17:32 -08:00
page_alloc.c Fix alloc_node_mem_map() to work on ia64 again 2015-11-10 14:44:26 -08:00
page_counter.c mm: page_counter: let page_counter_try_charge() return bool 2015-11-05 19:34:48 -08:00
page_ext.c mm: introduce idle page tracking 2015-09-10 13:29:01 -07:00
page_idle.c mm: introduce idle page tracking 2015-09-10 13:29:01 -07:00
page_io.c
page_isolation.c mm, page_isolation: make set/unset_migratetype_isolate() file-local 2015-09-08 15:35:28 -07:00
page_owner.c
pagewalk.c
percpu-km.c
percpu-vm.c
percpu.c mm/percpu: use offset_in_page macro 2015-11-05 19:34:48 -08:00
pgtable-generic.c mm,thp: introduce flush_pmd_tlb_range 2015-10-17 17:48:20 +05:30
process_vm_access.c
quicklist.c
readahead.c mm, fs: introduce mapping_gfp_constraint() 2015-11-06 17:50:42 -08:00
rmap.c mm: page migration use migration entry for swapcache too 2015-11-05 19:34:48 -08:00
shmem.c mm: page_alloc: hide some GFP internals and document the bits and flag combinations 2015-11-06 17:50:42 -08:00
slab.c slab/slub: adjust kmem_cache_alloc_bulk API 2015-11-22 11:58:44 -08:00
slab.h slab/slub: adjust kmem_cache_alloc_bulk API 2015-11-22 11:58:44 -08:00
slab_common.c slab/slub: adjust kmem_cache_alloc_bulk API 2015-11-22 11:58:44 -08:00
slob.c slab/slub: adjust kmem_cache_alloc_bulk API 2015-11-22 11:58:44 -08:00
slub.c slab/slub: adjust kmem_cache_alloc_bulk API 2015-11-22 11:58:44 -08:00
sparse-vmemmap.c
sparse.c
swap.c mm: make compound_head() robust 2015-11-06 17:50:42 -08:00
swap_cgroup.c
swap_state.c mm: swap: zswap: maybe_preload & refactoring 2015-09-08 15:35:28 -07:00
swapfile.c mm: Export nr_swap_pages 2016-01-05 11:02:18 +01:00
truncate.c
userfaultfd.c userfaultfd: avoid mmap_sem read recursion in mcopy_atomic 2015-09-04 16:54:41 -07:00
util.c mm/util: use offset_in_page macro 2015-11-05 19:34:48 -08:00
vmacache.c mm/vmacache: inline vmacache_valid_mm() 2015-11-05 19:34:48 -08:00
vmalloc.c mm: vmalloc: don't remove inexistent guard hole in remove_vm_area() 2015-11-20 16:17:32 -08:00
vmpressure.c
vmscan.c mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd 2015-11-06 17:50:42 -08:00
vmstat.c mm, page_alloc: reserve pageblocks for high-order atomic allocations on demand 2015-11-06 17:50:42 -08:00
workingset.c
zbud.c mm: zsmalloc: constify struct zs_pool name 2015-11-06 17:50:42 -08:00
zpool.c mm: zsmalloc: constify struct zs_pool name 2015-11-06 17:50:42 -08:00
zsmalloc.c zsmalloc: use page->private instead of page->first_page 2015-11-06 17:50:42 -08:00
zswap.c zswap: use charp for zswap param strings 2015-11-06 17:50:42 -08:00