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author | SeongJae Park <sj@kernel.org> | 2022-09-13 17:44:28 +0000 |
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committer | Andrew Morton <akpm@linux-foundation.org> | 2022-10-03 14:03:09 -0700 |
commit | f82e70e26b505cd8a1d5c670dc5038a938708d4a (patch) | |
tree | 873fcba8db8a3be0c084cb92398458be0c7da7b1 /mm/damon | |
parent | 3791bc7bf1034dcce89541e54630d0307cc199fb (diff) | |
download | linux-f82e70e26b505cd8a1d5c670dc5038a938708d4a.tar.gz |
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 <sj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/damon')
-rw-r--r-- | mm/damon/paddr.c | 3 |
1 files changed, 3 insertions, 0 deletions
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; |