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Subject[PATCH 03/63] sched, numa: Comment fixlets
Date
From: Peter Zijlstra <peterz@infradead.org>

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

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Mel Gorman <mgorman@suse.de>
---
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 7c70201..b22f52a 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);
--
1.8.4


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