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-rw-r--r--mm/util.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/mm/util.c b/mm/util.c
index 0b1725254ff1..f68b2db27e2b 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -7,6 +7,7 @@
#include <linux/security.h>
#include <linux/swap.h>
#include <linux/swapops.h>
+#include <linux/vmalloc.h>
#include <asm/uaccess.h>
#include "internal.h"
@@ -381,6 +382,15 @@ unsigned long vm_mmap(struct file *file, unsigned long addr,
}
EXPORT_SYMBOL(vm_mmap);
+void kvfree(const void *addr)
+{
+ if (is_vmalloc_addr(addr))
+ vfree(addr);
+ else
+ kfree(addr);
+}
+EXPORT_SYMBOL(kvfree);
+
struct address_space *page_mapping(struct page *page)
{
struct address_space *mapping = page->mapping;