[PATCH 03/10] mm/ksm: remove old GCC 4.9+ check

From: Nick Desaulniers
Date: Fri Sep 10 2021 - 19:41:04 EST


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

Signed-off-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
---
mm/ksm.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/mm/ksm.c b/mm/ksm.c
index 025338128cd9..a5716fdec1aa 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -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);
--
2.33.0.309.g3052b89438-goog