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mm: zswap: use zswap_invalidate_entry() for duplicates

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Patch series "mm: zswap: three cleanups".

Three small cleanups to zswap, the first one suggested by Yosry during the
frontswap removal.


This patch (of 3):

Minor cleanup.  Instead of open-coding the tree deletion and the put, use
the zswap_invalidate_entry() convenience helper.

Link: https://lkml.kernel.org/r/20230727162343.1415598-1-hannes@cmpxchg.org
Link: https://lkml.kernel.org/r/20230727162343.1415598-2-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Suggested-by: Yosry Ahmed <yosryahmed@google.com>
Reviewed-by: Yosry Ahmed <yosryahmed@google.com>
Cc: Domenico Cerasuolo <cerasuolodomenico@gmail.com>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Barry Song <song.bao.hua@hisilicon.com>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Johannes Weiner 2023-07-27 12:22:23 -04:00 committed by Andrew Morton
parent 68af05143f
commit 56c67049c0
1 changed files with 1 additions and 3 deletions
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4
mm/zswap.c
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@ -1370,9 +1370,7 @@ insert_entry:
spin_lock(&tree->lock);
while (zswap_rb_insert(&tree->rbroot, entry, &dupentry) == -EEXIST) {
zswap_duplicate_entry++;
/* remove from rbtree */
zswap_rb_erase(&tree->rbroot, dupentry);
zswap_entry_put(tree, dupentry);
zswap_invalidate_entry(tree, dupentry);
}
if (entry->length) {
spin_lock(&entry->pool->lru_lock);