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nick kvfree() from apparmor

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too many places open-code it

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-05-06 14:02:53 -04:00
parent 50c6e282bd
commit 39f1f78d53
4 changed files with 12 additions and 15 deletions
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2
include/linux/mm.h
View File

@ -370,6 +370,8 @@ static inline int is_vmalloc_or_module_addr(const void *x)
}
#endif
extern void kvfree(const void *addr);
static inline void compound_lock(struct page *page)
{
#ifdef CONFIG_TRANSPARENT_HUGEPAGE

10
mm/util.c
View File

@ -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;

1
security/apparmor/include/apparmor.h
View File

@ -66,7 +66,6 @@ extern int apparmor_initialized __initdata;
char *aa_split_fqname(char *args, char **ns_name);
void aa_info_message(const char *str);
void *__aa_kvmalloc(size_t size, gfp_t flags);
void kvfree(void *buffer);
static inline void *kvmalloc(size_t size)
{

14
security/apparmor/lib.c
View File

@ -104,17 +104,3 @@ void *__aa_kvmalloc(size_t size, gfp_t flags)
}
return buffer;
}
/**
* kvfree - free an allocation do by kvmalloc
* @buffer: buffer to free (MAYBE_NULL)
*
* Free a buffer allocated by kvmalloc
*/
void kvfree(void *buffer)
{
if (is_vmalloc_addr(buffer))
vfree(buffer);
else
kfree(buffer);
}