[PATCH] slob:Use _safe funtion to iterate partially free list.

[Bob Liu <lliubbo@gmail.com>]

Since a list entry may be removed, so use list_for_each_entry_safe
instead of list_for_each_entry.

Signed-off-by: Bob Liu <lliubbo@gmail.com>
---
 mm/slob.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/slob.c b/mm/slob.c
index 3f19a34..e2af18b 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -320,7 +320,7 @@ static void *slob_page_alloc(struct slob_page *sp, size_t size, int align)
  */
 static void *slob_alloc(size_t size, gfp_t gfp, int align, int node)
 {
-	struct slob_page *sp;
+	struct slob_page *sp, *tmp;
 	struct list_head *prev;
 	struct list_head *slob_list;
 	slob_t *b = NULL;
@@ -335,7 +335,7 @@ static void *slob_alloc(size_t size, gfp_t gfp, int align, int node)
 
 	spin_lock_irqsave(&slob_lock, flags);
 	/* Iterate through each partially free page, try to find room */
-	list_for_each_entry(sp, slob_list, list) {
+	list_for_each_entry_safe(sp, tmp, slob_list, list) {    
 #ifdef CONFIG_NUMA
 		/*
 		 * If there's a node specification, search for a partial
-- 
1.5.6.3

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