Messages in this thread Patch in this message | | | From | alexjlzheng@gmail ... | Subject | [PATCH] writeback: remove redundant checks for root memcg | Date | Tue, 8 Aug 2023 16:44:32 +0800 |
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From: Jinliang Zheng <alexjlzheng@tencent.com>
The check for root memcg will be done in wb_get_lookup(), so remove the redundant one to simplify the code.
Signed-off-by: Jinliang Zheng <alexjlzheng@tencent.com> --- mm/backing-dev.c | 3 --- 1 file changed, 3 deletions(-)
diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 3ffc3cfa7a14..9076f3ad39de 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -733,9 +733,6 @@ 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)); -- 2.31.1
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