The patch titled Subject: mm/vmscan: make inactive_anon/file_is_low return bool has been added to the -mm tree. Its filename is mm-vmscan-make-inactive_anon-file_is_low-return-bool.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mm-vmscan-make-inactive_anon-file_is_low-return-bool.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-vmscan-make-inactive_anon-file_is_low-return-bool.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Yaowei Bai <bywxiaobai@xxxxxxx> Subject: mm/vmscan: make inactive_anon/file_is_low return bool Make inactive_anon/file_is_low return bool due to these particular functions only using either one or zero as their return value. No functional change. Signed-off-by: Yaowei Bai <bywxiaobai@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/vmscan.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff -puN mm/vmscan.c~mm-vmscan-make-inactive_anon-file_is_low-return-bool mm/vmscan.c --- a/mm/vmscan.c~mm-vmscan-make-inactive_anon-file_is_low-return-bool +++ a/mm/vmscan.c @@ -1859,7 +1859,7 @@ static void shrink_active_list(unsigned } #ifdef CONFIG_SWAP -static int inactive_anon_is_low_global(struct zone *zone) +static bool inactive_anon_is_low_global(struct zone *zone) { unsigned long active, inactive; @@ -1876,14 +1876,14 @@ static int inactive_anon_is_low_global(s * Returns true if the zone does not have enough inactive anon pages, * meaning some active anon pages need to be deactivated. */ -static int inactive_anon_is_low(struct lruvec *lruvec) +static bool inactive_anon_is_low(struct lruvec *lruvec) { /* * If we don't have swap space, anonymous page deactivation * is pointless. */ if (!total_swap_pages) - return 0; + return false; if (!mem_cgroup_disabled()) return mem_cgroup_inactive_anon_is_low(lruvec); @@ -1891,9 +1891,9 @@ static int inactive_anon_is_low(struct l return inactive_anon_is_low_global(lruvec_zone(lruvec)); } #else -static inline int inactive_anon_is_low(struct lruvec *lruvec) +static inline bool inactive_anon_is_low(struct lruvec *lruvec) { - return 0; + return false; } #endif @@ -1911,7 +1911,7 @@ static inline int inactive_anon_is_low(s * This uses a different ratio than the anonymous pages, because * the page cache uses a use-once replacement algorithm. */ -static int inactive_file_is_low(struct lruvec *lruvec) +static bool inactive_file_is_low(struct lruvec *lruvec) { unsigned long inactive; unsigned long active; @@ -1922,7 +1922,7 @@ static int inactive_file_is_low(struct l return active > inactive; } -static int inactive_list_is_low(struct lruvec *lruvec, enum lru_list lru) +static bool inactive_list_is_low(struct lruvec *lruvec, enum lru_list lru) { if (is_file_lru(lru)) return inactive_file_is_low(lruvec); _ Patches currently in -mm which might be from bywxiaobai@xxxxxxx are mm-page_alloc-remove-unused-parameter-in-init_currently_empty_zone.patch mm-vmscan-make-inactive_anon_is_low_global-return-directly.patch mm-oom_kill-introduce-is_sysrq_oom-helper.patch mm-compaction-add-an-is_via_compact_memory-helper-function.patch mm-vmscan-make-inactive_anon-file_is_low-return-bool.patch mm-memcontrol-make-mem_cgroup_inactive_anon_is_low-return-bool.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html