* [PATCH] arm64: pgd: Mark pgd_cache as __ro_after_init
@ 2017-11-22 12:43 Jinbum Park
0 siblings, 0 replies; only message in thread
From: Jinbum Park @ 2017-11-22 12:43 UTC (permalink / raw)
To: linux-arm-kernel
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(-)
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)
{
--
1.9.1
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2017-11-22 12:43 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2017-11-22 12:43 [PATCH] arm64: pgd: Mark pgd_cache as __ro_after_init Jinbum Park
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).