X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fslab.c;h=ae6cca04de4bc7cdbf0d3586ae3af12f12dd0808;hb=0abf40c1ac3f25d264c019e1cfe155d590defb87;hp=771cc09f9f1abf762561251952d4d0ea2813c72b;hpb=97e2bde47f886a317909c8a8f9bd2fcd8ce2f0b0;p=linux-2.6

diff --git a/mm/slab.c b/mm/slab.c
index 771cc09f9f..ae6cca04de 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;
 
@@ -598,7 +600,7 @@ static inline kmem_cache_t *__find_general_cachep(size_t size, int gfpflags)
 		csizep++;
 
 	/*
-	 * Really subtile: The last entry with cs->cs_size==ULONG_MAX
+	 * Really subtle: The last entry with cs->cs_size==ULONG_MAX
 	 * has cs_{dma,}cachep==NULL. Thus no special case
 	 * for large kmalloc calls required.
 	 */
@@ -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);
 }
@@ -1666,7 +1669,7 @@ int kmem_cache_destroy(kmem_cache_t * cachep)
 	}
 
 	if (unlikely(cachep->flags & SLAB_DESTROY_BY_RCU))
-		synchronize_kernel();
+		synchronize_rcu();
 
 	/* no cpu_online check required here since we clear the percpu
 	 * array on cpu offline and set this to NULL.
@@ -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;
 
@@ -2620,6 +2626,12 @@ unsigned int kmem_cache_size(kmem_cache_t *cachep)
 }
 EXPORT_SYMBOL(kmem_cache_size);
 
+const char *kmem_cache_name(kmem_cache_t *cachep)
+{
+	return cachep->name;
+}
+EXPORT_SYMBOL_GPL(kmem_cache_name);
+
 struct ccupdate_struct {
 	kmem_cache_t *cachep;
 	struct array_cache *new[NR_CPUS];
@@ -2845,6 +2857,7 @@ next:
 	}
 	check_irq_on();
 	up(&cache_chain_sem);
+	drain_remote_pages();
 	/* Setup the next iteration */
 	schedule_delayed_work(&__get_cpu_var(reap_work), REAPTIMEOUT_CPUC + smp_processor_id());
 }
@@ -3075,3 +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);