summaryrefslogtreecommitdiffstats
path: root/mm/page-writeback.c
diff options
context:
space:
mode:
authorJohannes Weiner <hannes@cmpxchg.org>2017-05-03 14:55:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-05-03 15:52:11 -0700
commit71cd31135d4cf030a057ed7079a75a40c0a4a796 (patch)
treec95c8da1e70c21e412d9ab7328fc414ecfb80451 /mm/page-writeback.c
parentdf0e53d0619e83b465e363c088bf4eeb2848273b (diff)
downloadlinux-stable-71cd31135d4cf030a057ed7079a75a40c0a4a796.tar.gz
linux-stable-71cd31135d4cf030a057ed7079a75a40c0a4a796.tar.bz2
linux-stable-71cd31135d4cf030a057ed7079a75a40c0a4a796.zip
mm: memcontrol: re-use node VM page state enum
The current duplication is a high-maintenance mess, and it's painful to add new items or query memcg state from the rest of the VM. This increases the size of the stat array marginally, but we should aim to track all these stats on a per-cgroup level anyway. Link: http://lkml.kernel.org/r/20170404220148.28338-3-hannes@cmpxchg.org Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Vladimir Davydov <vdavydov.dev@gmail.com> Cc: Michal Hocko <mhocko@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page-writeback.c')
-rw-r--r--mm/page-writeback.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 33df0583edb9..777711203809 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -2427,7 +2427,7 @@ void account_page_dirtied(struct page *page, struct address_space *mapping)
inode_attach_wb(inode, page);
wb = inode_to_wb(inode);
- mem_cgroup_inc_page_stat(page, MEM_CGROUP_STAT_DIRTY);
+ mem_cgroup_inc_page_stat(page, NR_FILE_DIRTY);
__inc_node_page_state(page, NR_FILE_DIRTY);
__inc_zone_page_state(page, NR_ZONE_WRITE_PENDING);
__inc_node_page_state(page, NR_DIRTIED);
@@ -2449,7 +2449,7 @@ void account_page_cleaned(struct page *page, struct address_space *mapping,
struct bdi_writeback *wb)
{
if (mapping_cap_account_dirty(mapping)) {
- mem_cgroup_dec_page_stat(page, MEM_CGROUP_STAT_DIRTY);
+ mem_cgroup_dec_page_stat(page, NR_FILE_DIRTY);
dec_node_page_state(page, NR_FILE_DIRTY);
dec_zone_page_state(page, NR_ZONE_WRITE_PENDING);
dec_wb_stat(wb, WB_RECLAIMABLE);
@@ -2706,7 +2706,7 @@ int clear_page_dirty_for_io(struct page *page)
*/
wb = unlocked_inode_to_wb_begin(inode, &locked);
if (TestClearPageDirty(page)) {
- mem_cgroup_dec_page_stat(page, MEM_CGROUP_STAT_DIRTY);
+ mem_cgroup_dec_page_stat(page, NR_FILE_DIRTY);
dec_node_page_state(page, NR_FILE_DIRTY);
dec_zone_page_state(page, NR_ZONE_WRITE_PENDING);
dec_wb_stat(wb, WB_RECLAIMABLE);
@@ -2753,7 +2753,7 @@ int test_clear_page_writeback(struct page *page)
ret = TestClearPageWriteback(page);
}
if (ret) {
- mem_cgroup_dec_page_stat(page, MEM_CGROUP_STAT_WRITEBACK);
+ mem_cgroup_dec_page_stat(page, NR_WRITEBACK);
dec_node_page_state(page, NR_WRITEBACK);
dec_zone_page_state(page, NR_ZONE_WRITE_PENDING);
inc_node_page_state(page, NR_WRITTEN);
@@ -2808,7 +2808,7 @@ int __test_set_page_writeback(struct page *page, bool keep_write)
ret = TestSetPageWriteback(page);
}
if (!ret) {
- mem_cgroup_inc_page_stat(page, MEM_CGROUP_STAT_WRITEBACK);
+ mem_cgroup_inc_page_stat(page, NR_WRITEBACK);
inc_node_page_state(page, NR_WRITEBACK);
inc_zone_page_state(page, NR_ZONE_WRITE_PENDING);
}