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-rw-r--r--mm/slab.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/mm/slab.c b/mm/slab.c
index 8407426..122d031 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>
@@ -2620,6 +2621,12 @@ 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 +2852,7 @@ 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 +3083,26 @@ 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, int 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);
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