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mm: memcontrol: use node page state naming scheme for memcg

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The memory controllers stat function names are awkwardly long and
arbitrarily different from the zone and node stat functions.

The current interface is named:

  mem_cgroup_read_stat()
  mem_cgroup_update_stat()
  mem_cgroup_inc_stat()
  mem_cgroup_dec_stat()
  mem_cgroup_update_page_stat()
  mem_cgroup_inc_page_stat()
  mem_cgroup_dec_page_stat()

This patch renames it to match the corresponding node stat functions:

  memcg_page_state()		[node_page_state()]
  mod_memcg_state()		[mod_node_state()]
  inc_memcg_state()		[inc_node_state()]
  dec_memcg_state()		[dec_node_state()]
  mod_memcg_page_state()	[mod_node_page_state()]
  inc_memcg_page_state()	[inc_node_page_state()]
  dec_memcg_page_state()	[dec_node_page_state()]

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Johannes Weiner <[email protected]>
Acked-by: Vladimir Davydov <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Johannes Weiner 2017-05-03 14:55:16 -07:00 • committed by Linus Torvalds
commit ccda7f4360
6 changed files with 68 additions and 68 deletions
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4
mm/rmap.c
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@ -1158,7 +1158,7 @@ void page_add_file_rmap(struct page *page, bool compound)
goto out;
}
__mod_node_page_state(page_pgdat(page), NR_FILE_MAPPED, nr);
mem_cgroup_update_page_stat(page, NR_FILE_MAPPED, nr);
mod_memcg_page_state(page, NR_FILE_MAPPED, nr);
out:
unlock_page_memcg(page);
}
@ -1198,7 +1198,7 @@ static void page_remove_file_rmap(struct page *page, bool compound)
* pte lock(a spinlock) is held, which implies preemption disabled.
*/
__mod_node_page_state(page_pgdat(page), NR_FILE_MAPPED, -nr);
mem_cgroup_update_page_stat(page, NR_FILE_MAPPED, -nr);
mod_memcg_page_state(page, NR_FILE_MAPPED, -nr);
if (unlikely(PageMlocked(page)))
clear_page_mlock(page);