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| author | Miaohe Lin <linmiaohe@huawei.com> | 2021-06-30 18:53:04 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-07-01 11:06:02 -0700 |
| commit | 338483372626f9b89ed91ec0b422562ef53b0b12 (patch) | |
| tree | e1b793529c9b13068cdc404bf23a4cc3723544c5 /mm | |
| parent | ce8475b6a4e547fcea60410a8385d80988e12c7e (diff) | |
| download | linux-338483372626f9b89ed91ec0b422562ef53b0b12.tar.bz2 | |
mm/zsmalloc.c: improve readability for async_free_zspage()
The class is extracted from pool->size_class[class_idx] again before
calling __free_zspage(). It looks like class will change after we fetch
the class lock. But this is misleading as class will stay unchanged.
Link: https://lkml.kernel.org/r/20210624123930.1769093-4-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/zsmalloc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 9198b16d4f17..68e8831068f4 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -2162,7 +2162,7 @@ static void async_free_zspage(struct work_struct *work) VM_BUG_ON(fullness != ZS_EMPTY); class = pool->size_class[class_idx]; spin_lock(&class->lock); - __free_zspage(pool, pool->size_class[class_idx], zspage); + __free_zspage(pool, class, zspage); spin_unlock(&class->lock); } }; |