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Diffstat (limited to 'mm/slab.c')
-rw-r--r--mm/slab.c37
1 files changed, 33 insertions, 4 deletions
diff --git a/mm/slab.c b/mm/slab.c
index 93cbbbb39f42..c9e706db4634 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -92,6 +92,7 @@
#include <linux/sysctl.h>
#include <linux/module.h>
#include <linux/rcupdate.h>
+#include <linux/string.h>
#include <asm/uaccess.h>
#include <asm/cacheflush.h>
@@ -583,7 +584,8 @@ static inline struct array_cache *ac_data(kmem_cache_t *cachep)
return cachep->array[smp_processor_id()];
}
-static inline kmem_cache_t *__find_general_cachep(size_t size, int gfpflags)
+static inline kmem_cache_t *__find_general_cachep(size_t size,
+ unsigned int __nocast gfpflags)
{
struct cache_sizes *csizep = malloc_sizes;
@@ -607,7 +609,8 @@ static inline kmem_cache_t *__find_general_cachep(size_t size, int gfpflags)
return csizep->cs_cachep;
}
-kmem_cache_t *kmem_find_general_cachep(size_t size, int gfpflags)
+kmem_cache_t *kmem_find_general_cachep(size_t size,
+ unsigned int __nocast gfpflags)
{
return __find_general_cachep(size, gfpflags);
}
@@ -2099,7 +2102,7 @@ cache_alloc_debugcheck_before(kmem_cache_t *cachep, unsigned int __nocast flags)
#if DEBUG
static void *
cache_alloc_debugcheck_after(kmem_cache_t *cachep,
- unsigned long flags, void *objp, void *caller)
+ unsigned int __nocast flags, void *objp, void *caller)
{
if (!objp)
return objp;
@@ -2371,6 +2374,9 @@ void *kmem_cache_alloc_node(kmem_cache_t *cachep, int flags, int nodeid)
struct slab *slabp;
kmem_bufctl_t next;
+ if (nodeid == -1)
+ return kmem_cache_alloc(cachep, flags);
+
for (loop = 0;;loop++) {
struct list_head *q;
@@ -2438,7 +2444,7 @@ got_slabp:
}
EXPORT_SYMBOL(kmem_cache_alloc_node);
-void *kmalloc_node(size_t size, int flags, int node)
+void *kmalloc_node(size_t size, unsigned int __nocast flags, int node)
{
kmem_cache_t *cachep;
@@ -3082,3 +3088,26 @@ unsigned int ksize(const void *objp)
return size;
}
+
+
+/*
+ * kstrdup - allocate space for and copy an existing string
+ *
+ * @s: the string to duplicate
+ * @gfp: the GFP mask used in the kmalloc() call when allocating memory
+ */
+char *kstrdup(const char *s, unsigned int __nocast gfp)
+{
+ size_t len;
+ char *buf;
+
+ if (!s)
+ return NULL;
+
+ len = strlen(s) + 1;
+ buf = kmalloc(len, gfp);
+ if (buf)
+ memcpy(buf, s, len);
+ return buf;
+}
+EXPORT_SYMBOL(kstrdup);