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| author | Jinliang Zheng <alexjlzheng@tencent.com> | 2023-08-08 11:44:32 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-21 23:37:48 +0300 |
| commit | 9af7c7426c2e49bad77cf7494fea85a773d1ded6 (patch) | |
| tree | e4deda8811fc6cf9e4ab82b9fa280f23290b3e63 /mm | |
| parent | 97157d8908bc10dec22cc4479f4c5cc7db58a12c (diff) | |
| download | linux-9af7c7426c2e49bad77cf7494fea85a773d1ded6.tar.xz | |
writeback: remove redundant checks for root memcg
The check for root memcg will be done in wb_get_lookup(), so remove the
redundant one to simplify the code.
Link: https://lkml.kernel.org/r/20230808084431.1632934-1-alexjlzheng@tencent.com
Signed-off-by: Jinliang Zheng <alexjlzheng@tencent.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/backing-dev.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c index fc44bfbf785e..1e3447bccdb1 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -732,9 +732,6 @@ struct bdi_writeback *wb_get_create(struct backing_dev_info *bdi, might_alloc(gfp); - if (!memcg_css->parent) - return &bdi->wb; - do { wb = wb_get_lookup(bdi, memcg_css); } while (!wb && !cgwb_create(bdi, memcg_css, gfp)); |