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authorLinus Torvalds <torvalds@linux-foundation.org>2014-05-06 23:22:20 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2014-05-06 23:22:20 +0400
commit8169d3005e3bae9bff40349d7caeac5938682297 (patch)
treeefeec2abc77e1331dfbce6fb0cc15e09f74570da /mm
parent256cf4c438e60116785a83b060614c63c7477e84 (diff)
parent39f1f78d53b9bcbca91967380c5f0f2305a5c55f (diff)
downloadlinux-8169d3005e3bae9bff40349d7caeac5938682297.tar.xz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs fixes from Al Viro: "dcache fixes + kvfree() (uninlined, exported by mm/util.c) + posix_acl bugfix from hch" The dcache fixes are for a subtle LRU list corruption bug reported by Miklos Szeredi, where people inside IBM saw list corruptions with the LTP/host01 test. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: nick kvfree() from apparmor posix_acl: handle NULL ACL in posix_acl_equiv_mode dcache: don't need rcu in shrink_dentry_list() more graceful recovery in umount_collect() don't remove from shrink list in select_collect() dentry_kill(): don't try to remove from shrink list expand the call of dentry_lru_del() in dentry_kill() new helper: dentry_free() fold try_prune_one_dentry() fold d_kill() and d_free() fix races between __d_instantiate() and checks of dentry flags
Diffstat (limited to 'mm')
-rw-r--r--mm/util.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/mm/util.c b/mm/util.c
index f380af7ea779..d5ea733c5082 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -10,6 +10,7 @@
#include <linux/swapops.h>
#include <linux/mman.h>
#include <linux/hugetlb.h>
+#include <linux/vmalloc.h>
#include <asm/uaccess.h>
@@ -387,6 +388,15 @@ 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;