linux-kernel - [PATCHv9-rebased2 04/37] mm-thp-make-swapin-readahead-under-down_read-of-mmap

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Date:	Wed, 15 Jun 2016 23:06:09 +0300
From:	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To:	Hugh Dickins <hughd@...gle.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Dave Hansen <dave.hansen@...el.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	Christoph Lameter <cl@...two.org>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Jerome Marchand <jmarchan@...hat.com>,
	Yang Shi <yang.shi@...aro.org>,
	Sasha Levin <sasha.levin@...cle.com>,
	Andres Lagar-Cavilla <andreslc@...gle.com>,
	Ning Qu <quning@...il.com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
	Ebru Akagunduz <ebru.akagunduz@...il.com>,
	"Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
	Rik van Riel <riel@...hat.com>,
	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>
Subject: [PATCHv9-rebased2 04/37]  mm-thp-make-swapin-readahead-under-down_read-of-mmap_sem-fix-2-fix

From: Andrew Morton <akpm@...ux-foundation.org>

update comment to match new code

Cc: Andrea Arcangeli <aarcange@...hat.com>
Cc: Ebru Akagunduz <ebru.akagunduz@...il.com>
Cc: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
Cc: Rik van Riel <riel@...hat.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Cc: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: Vlastimil Babka <vbabka@...e.cz>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
---
 mm/huge_memory.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 1777b806de96..d7ccc8558187 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2502,9 +2502,9 @@ static void collapse_huge_page(struct mm_struct *mm,
 	}
 
 	/*
-	 * __collapse_huge_page_swapin always returns with mmap_sem
-	 * locked. If it fails, release mmap_sem and jump directly
-	 * label out. Continuing to collapse causes inconsistency.
+	 * __collapse_huge_page_swapin always returns with mmap_sem locked.
+	 * If it fails, release mmap_sem and jump directly out.
+	 * Continuing to collapse causes inconsistency.
 	 */
 	if (!__collapse_huge_page_swapin(mm, vma, address, pmd)) {
 		mem_cgroup_cancel_charge(new_page, memcg, true);
-- 
2.8.1