Commit 75b2bd55 authored Nov 08, 2006 by Oleg Nesterov Committed by Linus Torvalds Nov 08, 2006

[PATCH] A minor fix for set_mb() in Documentation/memory-barriers.txt



set_mb() is used by set_current_state() which needs mb(), not wmb().  I
think it would be right to assume that set_mb() implies mb(), all arches
seem to do just this.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent d654c673

Documentation/memory-barriers.txt

+1 −1

Original line number	Diff line number	Diff line
		@@ -1016,7 +1016,7 @@ There are some more advanced barrier functions:

		(*) set_mb(var, value)

		This assigns the value to the variable and then inserts at least a write
		This assigns the value to the variable and then inserts a full memory
		barrier after it, depending on the function. It isn't guaranteed to
		insert anything more than a compiler barrier in a UP compilation.