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| author |   Sergey Senozhatsky <senozhatsky@chromium.org> | 2023-06-24 14:12:15 +0900 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2023-08-18 10:12:08 -0700 |
| commit | 4ce36584da19ff6a5d171a317c6c34c567d4628e (patch) | |
| tree | 8e75322ec1721303411241d25dc3d8ef35643c45 /mm/page_alloc.c | |
| parent | zsmalloc: do not scan for allocated objects in empty zspage (diff) | |
| download | wireguard-linux-4ce36584da19ff6a5d171a317c6c34c567d4628e.tar.xz wireguard-linux-4ce36584da19ff6a5d171a317c6c34c567d4628e.zip | |
zsmalloc: move migration destination zspage inuse check
Destination zspage fullness check need to be done after zs_object_copy()
because that's where source and destination zspages fullness change.
Checking destination zspage fullness before zs_object_copy() may cause
migration to loop through source zspage sub-pages scanning for allocate
objects just to find out at the end that the destination zspage is full.
Link: https://lkml.kernel.org/r/20230624053120.643409-3-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Alexey Romanov <avromanov@sberdevices.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/page_alloc.c')
0 files changed, 0 insertions, 0 deletions