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| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2023-03-08 16:33:11 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-05-02 17:21:49 -0700 |
| commit | 70307b0e297a6634be855c49525ccbea50922a90 (patch) | |
| tree | ec6bdb8376c90fe936a287e3cca4e5bae3de8e8e /mm | |
| parent | b6993be23601c8bc992dc9743fbf78c1ff5d6b6a (diff) | |
| download | linux-stable-70307b0e297a6634be855c49525ccbea50922a90.tar.gz linux-stable-70307b0e297a6634be855c49525ccbea50922a90.tar.bz2 linux-stable-70307b0e297a6634be855c49525ccbea50922a90.zip | |
mm/damon/paddr: fix missing folio_sz update in damon_pa_young()
The *folio_sz in damon_pa_young() will be used(as last_folio_sz) by
__damon_pa_check_access(), so it's need to be updated, fix missing branch.
Link: https://lkml.kernel.org/r/20230308083311.120951-4-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/damon/paddr.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index b22f6fbb5816..467b99166b43 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -134,10 +134,8 @@ static bool damon_pa_young(unsigned long paddr, unsigned long *folio_sz) } need_lock = !folio_test_anon(folio) || folio_test_ksm(folio); - if (need_lock && !folio_trylock(folio)) { - folio_put(folio); - return false; - } + if (need_lock && !folio_trylock(folio)) + goto out; rmap_walk(folio, &rwc); |