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| author | Zhaoyu Liu <liuzhaoyu.zackary@bytedance.com> | 2024-07-31 21:31:01 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-09-01 20:25:57 -0700 |
| commit | 1d3440305e07c166c3752edb5e212bf324cf3252 (patch) | |
| tree | 9db53db5422309900438148af917b90221e2b544 /mm/zswap.c | |
| parent | 17d5f38b33b66210c5a46af639c47fddfe1c5b4d (diff) | |
mm: swap: allocate folio only first time in __read_swap_cache_async()
It should be checked by filemap_get_folio() if SWAP_HAS_CACHE was
marked while reading a share swap page. It would re-allocate a folio
if the swap cache was not ready now. We save the new folio to avoid
page allocating again.
Link: https://lkml.kernel.org/r/20240731133101.GA2096752@bytedance
Signed-off-by: Zhaoyu Liu <liuzhaoyu.zackary@bytedance.com>
Cc: Domenico Cerasuolo <cerasuolodomenico@gmail.com>
Cc: Kairui Song <kasong@tencent.com>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/zswap.c')
0 files changed, 0 insertions, 0 deletions