The patch titled Subject: mm,vmscan: mark register_shrinker() as __must_check has been added to the -mm tree. Its filename is mmvmscan-mark-register_shrinker-as-__must_check.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mmvmscan-mark-register_shrinker-as-__must_check.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/mmvmscan-mark-register_shrinker-as-__must_check.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx> Subject: mm,vmscan: mark register_shrinker() as __must_check There are users not checking for register_shrinker() failure. Continuing with ignoring failure can lead to later oops at unregister_shrinker(). Link: http://lkml.kernel.org/r/1511265757-15563-1-git-send-email-penguin-kernel@xxxxxxxxxxxxxxxxxxx Signed-off-by: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx> Cc: Dave Chinner <david@xxxxxxxxxxxxx> Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Cc: Jan Kara <jack@xxxxxxxx> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx> Cc: David Airlie <airlied@xxxxxxxx> Cc: Alex Deucher <alexander.deucher@xxxxxxx> Cc: Shaohua Li <shli@xxxxxx> Cc: Mike Snitzer <snitzer@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/shrinker.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN include/linux/shrinker.h~mmvmscan-mark-register_shrinker-as-__must_check include/linux/shrinker.h --- a/include/linux/shrinker.h~mmvmscan-mark-register_shrinker-as-__must_check +++ a/include/linux/shrinker.h @@ -75,6 +75,6 @@ struct shrinker { #define SHRINKER_NUMA_AWARE (1 << 0) #define SHRINKER_MEMCG_AWARE (1 << 1) -extern int register_shrinker(struct shrinker *); +extern __must_check int register_shrinker(struct shrinker *); extern void unregister_shrinker(struct shrinker *); #endif _ Patches currently in -mm which might be from penguin-kernel@xxxxxxxxxxxxxxxxxxx are dentry-fix-kmemcheck-splat-at-take_dentry_name_snapshot.patch mmvmscan-mark-register_shrinker-as-__must_check.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html