From f82e70e26b505cd8a1d5c670dc5038a938708d4a Mon Sep 17 00:00:00 2001 From: SeongJae Park Date: Tue, 13 Sep 2022 17:44:28 +0000 Subject: mm/damon/paddr: make supported DAMOS actions of paddr clear Patch series "mm/damon: cleanup code". DAMON code was not so clean from the beginning, but it has been too much nowadays, especially due to the duplicates in DAMON_RECLAIM and DAMON_LRU_SORT. This patchset cleans some of the mess. This patch (of 22): The 'switch-case' statement in 'damon_va_apply_scheme()' function provides a 'case' for every supported DAMOS action while all not-yet-supported DAMOS actions fall through the 'default' case, and comment it so that people can easily know which actions are supported. Its counterpart in 'paddr', 'damon_pa_apply_scheme()', however, doesn't. This commit makes the 'paddr' side function follows the pattern of 'vaddr' for better readability and consistency. Link: https://lkml.kernel.org/r/20220913174449.50645-1-sj@kernel.org Link: https://lkml.kernel.org/r/20220913174449.50645-2-sj@kernel.org Signed-off-by: SeongJae Park Signed-off-by: Andrew Morton --- mm/damon/paddr.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'mm/damon') diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index 6b0d9e6aa677..219127cb49e2 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -275,7 +275,10 @@ static unsigned long damon_pa_apply_scheme(struct damon_ctx *ctx, return damon_pa_mark_accessed(r); case DAMOS_LRU_DEPRIO: return damon_pa_deactivate_pages(r); + case DAMOS_STAT: + break; default: + /* DAMOS actions that not yet supported by 'paddr'. */ break; } return 0; -- cgit 1.4.1