diff mbox series

[03/11] PageSlab: eliminate unnecessary compound_head() calls in kernel/resource

Message ID 20211012180148.1669685-4-hannes@cmpxchg.org (mailing list archive)
State New
Headers show
Series PageSlab: eliminate unnecessary compound_head() calls | expand

Commit Message

Johannes Weiner Oct. 12, 2021, 6:01 p.m. UTC 
virt_to_head_page() implies it.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
---
 kernel/resource.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/kernel/resource.c b/kernel/resource.c
index a363211fda99..ca9f5198a01f 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -151,7 +151,7 @@  static void free_resource(struct resource *res)
 	if (!res)
 		return;
 
-	if (!PageSlab(compound_head(virt_to_head_page(res)))) {
+	if (!PageSlab(virt_to_head_page(res))) {
 		spin_lock(&bootmem_resource_lock);
 		res->sibling = bootmem_resource_free;
 		bootmem_resource_free = res;