[RFC PATCH 05/15] turn signal_cache static-duration

[Al Viro <viro@zeniv.linux.org.uk>]

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 kernel/fork.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/kernel/fork.c b/kernel/fork.c
index ddd2558f9431..23ed80d0d6d0 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -465,7 +465,8 @@ void thread_stack_cache_init(void)
 #endif /* CONFIG_VMAP_STACK */
 
 /* SLAB cache for signal_struct structures (tsk->signal) */
-static struct kmem_cache *signal_cachep;
+static struct kmem_cache_opaque signal_cache;
+#define signal_cachep to_kmem_cache(&signal_cache)
 
 /* SLAB cache for sighand_struct structures (tsk->sighand) */
 struct kmem_cache *sighand_cachep;
@@ -3024,7 +3025,7 @@ void __init proc_caches_init(void)
 			sizeof(struct sighand_struct), 0,
 			SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_TYPESAFE_BY_RCU|
 			SLAB_ACCOUNT, sighand_ctor);
-	signal_cachep = kmem_cache_create("signal_cache",
+	kmem_cache_setup(signal_cachep, "signal_cache",
 			sizeof(struct signal_struct), 0,
 			SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_ACCOUNT,
 			NULL);
-- 
2.47.3