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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2012-04-20 15:35:40 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-04-20 17:28:17 -0700 |
| commit | e4eb1ff61b323d6141614e5458a1f53c7046ff8e (patch) | |
| tree | 7a0251509c169b0df1a6bf4bc47c5bca709e06da /include/linux | |
| parent | Merge tag 'for-torvalds-20120418' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl (diff) | |
| download | wireguard-linux-e4eb1ff61b323d6141614e5458a1f53c7046ff8e.tar.xz wireguard-linux-e4eb1ff61b323d6141614e5458a1f53c7046ff8e.zip | |
VM: add "vm_brk()" helper function
It does the same thing as "do_brk()", except it handles the VM locking
too.
It turns out that all external callers want that anyway, so we can make
do_brk() static to just mm/mmap.c while at it.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mm.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index d8738a464b94..bfee4ad6680b 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1415,7 +1415,8 @@ out: extern int do_munmap(struct mm_struct *, unsigned long, size_t); -extern unsigned long do_brk(unsigned long, unsigned long); +/* These take the mm semaphore themselves */ +extern unsigned long vm_brk(unsigned long, unsigned long); /* truncate.c */ extern void truncate_inode_pages(struct address_space *, loff_t); |