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mm: update the description for madvise_remove

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Currently, we have more filesystems supporting fallocate, e.g
ext4/btrfs.  Remove the outdated comment for madvise_remove.

Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Wang Sheng-Hui 2014-08-06 16:06:23 -07:00 committed by Linus Torvalds
parent 4a262d2658
commit 54980b93c0
1 changed files with 0 additions and 3 deletions
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mm/madvise.c
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@ -292,9 +292,6 @@ static long madvise_dontneed(struct vm_area_struct *vma,
/*
* Application wants to free up the pages and associated backing store.
* This is effectively punching a hole into the middle of a file.
*
* NOTE: Currently, only shmfs/tmpfs is supported for this operation.
* Other filesystems return -ENOSYS.
*/
static long madvise_remove(struct vm_area_struct *vma,
struct vm_area_struct **prev,