diff options
| author | Sergey Senozhatsky <senozhatsky@chromium.org> | 2025-03-03 11:03:28 +0900 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-03-16 22:06:37 -0700 |
| commit | 2ad951865aa7849f203a771d59ec1a0f1356a34c (patch) | |
| tree | f3b5025125aa7e1d255c7e9562738975a2841fe3 | |
| parent | a6d2193b3ef53d5c5a2c56d397227f5e891f2df3 (diff) | |
zram: add might_sleep to zcomp API
Explicitly state that zcomp compress/decompress must be called from
non-atomic context.
Link: https://lkml.kernel.org/r/20250303022425.285971-20-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Hillf Danton <hdanton@sina.com>
Cc: Kairui Song <ryncsn@gmail.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Yosry Ahmed <yosry.ahmed@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | drivers/block/zram/zcomp.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/block/zram/zcomp.c b/drivers/block/zram/zcomp.c index a1d627054bb1..d26a58c67e95 100644 --- a/drivers/block/zram/zcomp.c +++ b/drivers/block/zram/zcomp.c @@ -146,6 +146,7 @@ int zcomp_compress(struct zcomp *comp, struct zcomp_strm *zstrm, }; int ret; + might_sleep(); ret = comp->ops->compress(comp->params, &zstrm->ctx, &req); if (!ret) *dst_len = req.dst_len; @@ -162,6 +163,7 @@ int zcomp_decompress(struct zcomp *comp, struct zcomp_strm *zstrm, .dst_len = PAGE_SIZE, }; + might_sleep(); return comp->ops->decompress(comp->params, &zstrm->ctx, &req); } |