The quilt patch titled Subject: zram: add might_sleep to zcomp API has been removed from the -mm tree. Its filename was zram-add-might_sleep-to-zcomp-api.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx> Subject: zram: add might_sleep to zcomp API Date: Mon, 3 Mar 2025 11:03:28 +0900 Explicitly state that zcomp compress/decompress must be called from non-atomic context. Link: https://lkml.kernel.org/r/20250303022425.285971-20-senozhatsky@xxxxxxxxxxxx Signed-off-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx> Cc: Hillf Danton <hdanton@xxxxxxxx> Cc: Kairui Song <ryncsn@xxxxxxxxx> Cc: Minchan Kim <minchan@xxxxxxxxxx> Cc: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Cc: Yosry Ahmed <yosry.ahmed@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/block/zram/zcomp.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/block/zram/zcomp.c~zram-add-might_sleep-to-zcomp-api +++ a/drivers/block/zram/zcomp.c @@ -146,6 +146,7 @@ int zcomp_compress(struct zcomp *comp, s }; 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, .dst_len = PAGE_SIZE, }; + might_sleep(); return comp->ops->decompress(comp->params, &zstrm->ctx, &req); } _ Patches currently in -mm which might be from senozhatsky@xxxxxxxxxxxx are