linux-kernel - [PATCH 3/4] kernel/fork: use vfree() instead of vfree

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Message-ID: <20170330102719.13119-3-aryabinin@virtuozzo.com>
Date:   Thu, 30 Mar 2017 13:27:18 +0300
From:   Andrey Ryabinin <aryabinin@...tuozzo.com>
To:     <akpm@...ux-foundation.org>
CC:     <penguin-kernel@...ove.SAKURA.ne.jp>,
        <linux-kernel@...r.kernel.org>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>, <mhocko@...nel.org>,
        <linux-mm@...ck.org>, <hpa@...or.com>, <chris@...is-wilson.co.uk>,
        <hch@....de>, <mingo@...e.hu>, <jszhang@...vell.com>,
        <joelaf@...gle.com>, <joaodias@...gle.com>, <willy@...radead.org>,
        <tglx@...utronix.de>
Subject: [PATCH 3/4] kernel/fork: use vfree() instead of vfree_atomic() to free thread stack

vfree() can be used in any atomic context now, thus there is no point
in using vfree_atomic().
This reverts commit 0f110a9b956c ("kernel/fork: use vfree_atomic()
to free thread stack")

Signed-off-by: Andrey Ryabinin <aryabinin@...tuozzo.com>
---
 kernel/fork.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/fork.c b/kernel/fork.c
index a9f642d..084e6a4 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -241,7 +241,7 @@ static inline void free_thread_stack(struct task_struct *tsk)
 		}
 		local_irq_restore(flags);
 
-		vfree_atomic(tsk->stack);
+		vfree(tsk->stack);
 		return;
 	}
 #endif
-- 
2.10.2