diff options
| -rw-r--r-- | mm/Kconfig | 9 | ||||
| -rw-r--r-- | mm/vmscan.c | 3 |
2 files changed, 11 insertions, 1 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index 97a4e06b15c0..3ca6a255de03 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -619,6 +619,15 @@ 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 diff --git a/mm/vmscan.c b/mm/vmscan.c index 3b951836c6c8..9f844e8b92df 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2094,7 +2094,8 @@ static void get_scan_count(struct lruvec *lruvec, int swappiness, * There is enough inactive page cache, do not reclaim * anything from the anonymous working set right now. */ - if (!inactive_file_is_low(lruvec)) { + if (!IS_ENABLED(CONFIG_BALANCE_ANON_FILE_RECLAIM) && + !inactive_file_is_low(lruvec)) { scan_balance = SCAN_FILE; goto out; } |