The patch titled Subject: ipc/mqueue: use correct gfp flags in msg_insert has been added to the -mm tree. Its filename is ipc-mqueue-improve-performance-of-send-recv-use-correct-gfp-flags-in-msg_insert.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: Sasha Levin <levinsasha928@xxxxxxxxx> Subject: ipc/mqueue: use correct gfp flags in msg_insert msg_insert() tries to allocate using GFP_KERNEL, while in both cases when it's called, it's coming from an atomic context. Introduced by 7dd7edf ("ipc/mqueue: improve performance of send/recv"). Use GFP_ATOMIC instead. Also, fix up coding style in the kzalloc while we're there. Signed-off-by: Sasha Levin <levinsasha928@xxxxxxxxx> Cc: Doug Ledford <dledford@xxxxxxxxxx> Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> Cc: Manfred Spraul <manfred@xxxxxxxxxxxxxxxx> Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- ipc/mqueue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN ipc/mqueue.c~ipc-mqueue-improve-performance-of-send-recv-use-correct-gfp-flags-in-msg_insert ipc/mqueue.c --- a/ipc/mqueue.c~ipc-mqueue-improve-performance-of-send-recv-use-correct-gfp-flags-in-msg_insert +++ a/ipc/mqueue.c @@ -133,7 +133,7 @@ static int msg_insert(struct msg_msg *ms else p = &(*p)->rb_right; } - leaf = kzalloc(sizeof(struct posix_msg_tree_node), GFP_KERNEL); + leaf = kzalloc(sizeof(*leaf), GFP_ATOMIC); if (!leaf) return -ENOMEM; rb_init_node(&leaf->rb_node); _ Subject: Subject: ipc/mqueue: use correct gfp flags in msg_insert Patches currently in -mm which might be from levinsasha928@xxxxxxxxx are linux-next.patch fs-proc-fix-abba-deadlock-in-case-of-execution-attempt-of-map_files-entries.patch locking-add-kern_cont-when-needed-to-self-test.patch x86-nmi-add-missing-kern_cont-to-nmi-selftest.patch isdn-add-missing-kern_cont.patch isdn-add-missing-kern_cont-fix.patch ipc-mqueue-improve-performance-of-send-recv-use-correct-gfp-flags-in-msg_insert.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