linux-kernel - [tip:sched/core] sched/numa: Fix comments

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Date:	Wed, 9 Oct 2013 10:24:23 -0700
From:	tip-bot for Peter Zijlstra <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	peterz@...radead.org, hannes@...xchg.org, riel@...hat.com,
	srikar@...ux.vnet.ibm.com, aarcange@...hat.com, mgorman@...e.de,
	tglx@...utronix.de
Subject: [tip:sched/core] sched/numa: Fix comments

Commit-ID:  c69307d533d7aa7cc8894dbbb8a274599f8630d7
Gitweb:     http://git.kernel.org/tip/c69307d533d7aa7cc8894dbbb8a274599f8630d7
Author:     Peter Zijlstra <peterz@...radead.org>
AuthorDate: Mon, 7 Oct 2013 11:28:41 +0100
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Wed, 9 Oct 2013 12:39:30 +0200

sched/numa: Fix comments

Fix a 80 column violation and a PTE vs PMD reference.

Signed-off-by: Peter Zijlstra <peterz@...radead.org>
Signed-off-by: Mel Gorman <mgorman@...e.de>
Reviewed-by: Rik van Riel <riel@...hat.com>
Cc: Andrea Arcangeli <aarcange@...hat.com>
Cc: Johannes Weiner <hannes@...xchg.org>
Cc: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/1381141781-10992-4-git-send-email-mgorman@suse.de
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 kernel/sched/fair.c | 8 ++++----
 mm/huge_memory.c    | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 2b89cd2..817cd7b 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -988,10 +988,10 @@ void task_numa_work(struct callback_head *work)
 
 out:
 	/*
-	 * It is possible to reach the end of the VMA list but the last few VMAs are
-	 * not guaranteed to the vma_migratable. If they are not, we would find the
-	 * !migratable VMA on the next scan but not reset the scanner to the start
-	 * so check it now.
+	 * It is possible to reach the end of the VMA list but the last few
+	 * VMAs are not guaranteed to the vma_migratable. If they are not, we
+	 * would find the !migratable VMA on the next scan but not reset the
+	 * scanner to the start so check it now.
 	 */
 	if (vma)
 		mm->numa_scan_offset = start;
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 7489884..19dbb08 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1305,7 +1305,7 @@ int do_huge_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,
 	spin_unlock(&mm->page_table_lock);
 	lock_page(page);
 
-	/* Confirm the PTE did not while locked */
+	/* Confirm the PMD did not change while page_table_lock was released */
 	spin_lock(&mm->page_table_lock);
 	if (unlikely(!pmd_same(pmd, *pmdp))) {
 		unlock_page(page);
--
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