linux-kernel - [PATCH] mm: update the description for madvise

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Message-ID: <53A9116B.9030004@gmail.com>
Date:	Tue, 24 Jun 2014 13:49:31 +0800
From:	Wang Sheng-Hui <shhuiw@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Andi Kleen <ak@...ux.intel.com>,
	Vladimir Cernov <gg.kaspersky@...il.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] mm: update the description for madvise_remove


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 Remove the outdated comment for madvise_remove.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@...il.com>
---
 mm/madvise.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/mm/madvise.c b/mm/madvise.c
index a402f8f..0938b30 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -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,
-- 
1.8.3.2

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