mm/zswap: add __init to some functions in zswap

zswap_cpu_init/zswap_comp_exit/zswap_entry_cache_create is only called by
__init init_zswap()

Signed-off-by: Mahendran Ganesh <opensource.ganesh@gmail.com>
Cc: Seth Jennings <sjennings@variantweb.net>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/zswap.c b/mm/zswap.c
index c154306..c162a2e 100644 (file)
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -149,7 +149,7 @@ static int __init zswap_comp_init(void)
        return 0;
 }
 
-static void zswap_comp_exit(void)
+static void __init zswap_comp_exit(void)
 {
        /* free percpu transforms */
        if (zswap_comp_pcpu_tfms)
@@ -206,7 +206,7 @@ static struct zswap_tree *zswap_trees[MAX_SWAPFILES];
 **********************************/
 static struct kmem_cache *zswap_entry_cache;
 
-static int zswap_entry_cache_create(void)
+static int __init zswap_entry_cache_create(void)
 {
        zswap_entry_cache = KMEM_CACHE(zswap_entry, 0);
        return zswap_entry_cache == NULL;
@@ -389,7 +389,7 @@ static struct notifier_block zswap_cpu_notifier_block = {
        .notifier_call = zswap_cpu_notifier
 };
 
-static int zswap_cpu_init(void)
+static int __init zswap_cpu_init(void)
 {
        unsigned long cpu;