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Revert "mm: vmscan: support equal reclaim for anon and file pages"

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This reverts commit 1839defde452c723aeeaa4a747d0f6eff475f179.

Signed-off-by: Juhyung Park <qkrwngud825@gmail.com>
Signed-off-by: azrim <mirzaspc@gmail.com>
This commit is contained in:
Juhyung Park 2021-10-01 17:47:37 +09:00 committed by azrim
parent de57537c63
commit b42539afd9
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2 changed files with 1 additions and 11 deletions
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9
mm/Kconfig
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@ -693,15 +693,6 @@ config MAX_STACK_SIZE_MB
A sane initial value is 80 MB.
config BALANCE_ANON_FILE_RECLAIM
bool "During reclaim treat anon and file backed pages equally"
depends on SWAP
help
When performing memory reclaim treat anonymous and file backed pages
equally.
Swapping anonymous pages out to memory can be efficient enough to justify
treating anonymous and file backed pages equally.
# For architectures that support deferred memory initialisation
config ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT
bool

3
mm/vmscan.c
View File

@ -2457,8 +2457,7 @@ static void get_scan_count(struct lruvec *lruvec, struct mem_cgroup *memcg,
* lruvec even if it has plenty of old anonymous pages unless the
* system is under heavy pressure.
*/
if (!IS_ENABLED(CONFIG_BALANCE_ANON_FILE_RECLAIM) &&
!inactive_list_is_low(lruvec, true, sc, false) &&
if (!inactive_list_is_low(lruvec, true, sc, false) &&
lruvec_lru_size(lruvec, LRU_INACTIVE_FILE, sc->reclaim_idx) >> sc->priority) {
scan_balance = SCAN_FILE;
goto out;