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VM: add "vm_munmap()" helper function

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Like the vm_brk() function, this is the same as "do_munmap()", except it
does the VM locking for the caller.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2012-04-20 16:20:01 -07:00
commit a46ef99d80
8 changed files with 28 additions and 36 deletions
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1
include/linux/mm.h
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@ -1417,6 +1417,7 @@ extern int do_munmap(struct mm_struct *, unsigned long, size_t);
/* These take the mm semaphore themselves */
extern unsigned long vm_brk(unsigned long, unsigned long);
extern int vm_munmap(struct mm_struct *, unsigned long, size_t);
/* truncate.c */
extern void truncate_inode_pages(struct address_space *, loff_t);