linux-kernel - [PATCH] change current_is_single_threaded() to use for_each

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Date:	Mon, 5 Oct 2015 14:00:44 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	David Howells <dhowells@...hat.com>, linux-kernel@...r.kernel.org
Subject: [PATCH] change current_is_single_threaded() to use
	for_each_thread()

Change current_is_single_threaded() to use for_each_thread() rather
than deprecated while_each_thread().

Signed-off-by: Oleg Nesterov <oleg@...hat.com>
---
 lib/is_single_threaded.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/lib/is_single_threaded.c b/lib/is_single_threaded.c
index bd2bea9..391fd23 100644
--- a/lib/is_single_threaded.c
+++ b/lib/is_single_threaded.c
@@ -36,8 +36,7 @@ bool current_is_single_threaded(void)
 		if (unlikely(p == task->group_leader))
 			continue;
 
-		t = p;
-		do {
+		for_each_thread(p, t) {
 			if (unlikely(t->mm == mm))
 				goto found;
 			if (likely(t->mm))
@@ -48,7 +47,7 @@ bool current_is_single_threaded(void)
 			 * forked before exiting.
 			 */
 			smp_rmb();
-		} while_each_thread(p, t);
+		}
 	}
 	ret = true;
 found:
-- 
1.5.5.1


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