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 2026-10-30 03:27:44 -04:00
Code Issues Projects Releases Packages Wiki Activity

zsmalloc: remove unnecessary insertion/removal of zspage in compaction

Browse source 
In putback_zspage, we don't need to insert a zspage into list of zspage
in size_class again to just fix fullness group. We could do directly
without reinsertion so we could save some instuctions.

Reported-by: Heesub Shin <[email protected]>
Signed-off-by: Minchan Kim <[email protected]>
Cc: Nitin Gupta <[email protected]>
Cc: Sergey Senozhatsky <[email protected]>
Cc: Dan Streetman <[email protected]>
Cc: Seth Jennings <[email protected]>
Cc: Ganesh Mahendran <[email protected]>
Cc: Luigi Semenzato <[email protected]>
Cc: Gunho Lee <[email protected]>
Cc: Juneho Choi <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Minchan Kim 2015-04-15 16:16:18 -07:00 • committed by Linus Torvalds
commit 839373e645
1 changed files with 3 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

6
mm/zsmalloc.c
View file

@ -1678,14 +1678,14 @@ static struct page *alloc_target_page(struct size_class *class)
static void putback_zspage(struct zs_pool *pool, struct size_class *class,
struct page *first_page)
{
int class_idx;
enum fullness_group fullness;
BUG_ON(!is_first_page(first_page));
get_zspage_mapping(first_page, &class_idx, &fullness);
fullness = get_fullness_group(first_page);
insert_zspage(first_page, class, fullness);
fullness = fix_fullness_group(class, first_page);
set_zspage_mapping(first_page, class->index, fullness);
if (fullness == ZS_EMPTY) {
zs_stat_dec(class, OBJ_ALLOCATED, get_maxobj_per_zspage(
class->size, class->pages_per_zspage));