Messages in this thread Patch in this message | | | From | Andrey Ryabinin <> | Subject | [PATCH 2/3] kernel/fork: use vfree_atomic() to free thread stack | Date | Tue, 8 Nov 2016 18:05:44 +0300 |
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vfree() is going to use sleeping lock. Thread stack freed in atomic context, therefore we must use vfree_atomic() here.
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Joel Fernandes <joelaf@google.com> Cc: Christoph Hellwig <hch@lst.de> 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: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: x86@kernel.org --- kernel/fork.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/fork.c b/kernel/fork.c index fd85c68..417e94f 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 -- 2.7.3
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