A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-31 04:01:48 -04:00
Code Issues Projects Releases Packages Wiki Activity

mm: memcontrol: use page lists for uncharge batching

Browse source 
Pages are now uncharged at release time, and all sources of batched
uncharges operate on lists of pages.  Directly use those lists, and
get rid of the per-task batching state.

This also batches statistics accounting, in addition to the res
counter charges, to reduce IRQ-disabling and re-enabling.

Signed-off-by: Johannes Weiner <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: Vladimir Davydov <[email protected]>
Cc: Naoya Horiguchi <[email protected]>
Cc: Vladimir Davydov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Johannes Weiner 2014-08-08 14:19:24 -07:00 • committed by Linus Torvalds
commit 747db954ca
6 changed files with 117 additions and 129 deletions
Download patch file Download diff file Expand all files Collapse all files

6
mm/swap.c
View file

@ -908,8 +908,6 @@ void release_pages(struct page **pages, int nr, bool cold)
struct lruvec *lruvec;
unsigned long uninitialized_var(flags);
mem_cgroup_uncharge_start();
for (i = 0; i < nr; i++) {
struct page *page = pages[i];
@ -941,7 +939,6 @@ void release_pages(struct page **pages, int nr, bool cold)
__ClearPageLRU(page);
del_page_from_lru_list(page, lruvec, page_off_lru(page));
}
mem_cgroup_uncharge(page);
/* Clear Active bit in case of parallel mark_page_accessed */
__ClearPageActive(page);
@ -951,8 +948,7 @@ void release_pages(struct page **pages, int nr, bool cold)
if (zone)
spin_unlock_irqrestore(&zone->lru_lock, flags);
mem_cgroup_uncharge_end();
mem_cgroup_uncharge_list(&pages_to_free);
free_hot_cold_page_list(&pages_to_free, cold);
}
EXPORT_SYMBOL(release_pages);