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authorAndrey Ryabinin <aryabinin@virtuozzo.com>2016-12-12 16:44:14 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-12 18:55:08 -0800
commit0f110a9b956c1678b53986b003d59794604807ba (patch)
tree40eacc1d921bc657bf080cba6073d961b9e2fa77
parentbf22e37a641327e34681b7b6959d9646e3886770 (diff)
downloadlinux-0f110a9b956c1678b53986b003d59794604807ba.tar.bz2
kernel/fork: use vfree_atomic() to free thread stack
vfree() is going to use sleeping lock. Thread stack freed in atomic context, therefore we must use vfree_atomic() here. Link: http://lkml.kernel.org/r/1479474236-4139-6-git-send-email-hch@lst.de Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Joel Fernandes <joelaf@google.com> Cc: Jisheng Zhang <jszhang@marvell.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: John Dias <joaodias@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--kernel/fork.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 7ffa16033ded..00492b22adfe 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -229,7 +229,7 @@ static inline void free_thread_stack(struct task_struct *tsk)
}
local_irq_restore(flags);
- vfree(tsk->stack);
+ vfree_atomic(tsk->stack);
return;
}
#endif