Commit adac17e3 authored by Nick Desaulniers's avatar Nick Desaulniers Committed by Linus Torvalds
Browse files

mm/ksm: remove old GCC 4.9+ check 



The minimum supported version of GCC has been raised to GCC 5.1.

Signed-off-by: default avatarNick Desaulniers <ndesaulniers@google.com>
Reviewed-by: default avatarKees Cook <keescook@chromium.org>
Reviewed-by: default avatarNathan Chancellor <nathan@kernel.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 4eb6bd55

mm/ksm.c

+0 −2
Original line number Diff line number Diff line
@@ -651,10 +651,8 @@ static void remove_node_from_stable_tree(struct stable_node *stable_node) 
	 * from &migrate_nodes. This will verify that future list.h changes

	 * don't break STABLE_NODE_DUP_HEAD. Only recent gcc can handle it.

	 */

#if defined(GCC_VERSION) && GCC_VERSION >= 40903

	BUILD_BUG_ON(STABLE_NODE_DUP_HEAD <= &migrate_nodes);

	BUILD_BUG_ON(STABLE_NODE_DUP_HEAD >= &migrate_nodes + 1);

#endif



	if (stable_node->head == &migrate_nodes)

		list_del(&stable_node->list);