[PATCH] xfrm: mark kmem_caches as __ro_after_init
From: Alexey Dobriyan <hidden>
Date: 2018-02-24 18:21:41
Kmem caches aren't relocated once set up. Signed-off-by: Alexey Dobriyan <redacted> --- net/xfrm/xfrm_input.c | 3 ++- net/xfrm/xfrm_policy.c | 2 +- 2 files changed, 3 insertions(+), 2 deletions(-)
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c@@ -9,6 +9,7 @@ */ #include <linux/bottom_half.h> +#include <linux/cache.h> #include <linux/interrupt.h> #include <linux/slab.h> #include <linux/module.h>
@@ -31,7 +32,7 @@ struct xfrm_trans_cb { #define XFRM_TRANS_SKB_CB(__skb) ((struct xfrm_trans_cb *)&((__skb)->cb[0])) -static struct kmem_cache *secpath_cachep __read_mostly; +static struct kmem_cache *secpath_cachep __ro_after_init; static DEFINE_SPINLOCK(xfrm_input_afinfo_lock); static struct xfrm_input_afinfo const __rcu *xfrm_input_afinfo[AF_INET6 + 1]; --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c
@@ -51,7 +51,7 @@ static DEFINE_SPINLOCK(xfrm_policy_afinfo_lock); static struct xfrm_policy_afinfo const __rcu *xfrm_policy_afinfo[AF_INET6 + 1] __read_mostly; -static struct kmem_cache *xfrm_dst_cache __read_mostly; +static struct kmem_cache *xfrm_dst_cache __ro_after_init; static __read_mostly seqcount_t xfrm_policy_hash_generation; static void xfrm_init_pmtu(struct xfrm_dst **bundle, int nr);