diff mbox

arm64: pgd: Mark pgd_cache as __ro_after_init

Message ID 20171122124359.GA4150@pjb1027-Latitude-E5410 (mailing list archive)
State New, archived
Headers show

Commit Message

Jinbum Park Nov. 22, 2017, 12:43 p.m. UTC 
pgd_cache is setup once while init stage and never changed after
that, so it is good candidate for __ro_after_init

Signed-off-by: Jinbum Park <jinb.park7@gmail.com>
---
 arch/arm64/mm/pgd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/arm64/mm/pgd.c b/arch/arm64/mm/pgd.c
index 371c5f0..051e71e 100644
--- a/arch/arm64/mm/pgd.c
+++ b/arch/arm64/mm/pgd.c
@@ -26,7 +26,7 @@ 
 #include <asm/page.h>
 #include <asm/tlbflush.h>
 
-static struct kmem_cache *pgd_cache;
+static struct kmem_cache *pgd_cache __ro_after_init;
 
 pgd_t *pgd_alloc(struct mm_struct *mm)
 {