sched/numa: Fix comments
Fix a 80 column violation and a PTE vs PMD reference. Signed-off-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Mel Gorman <mgorman@suse.de> Reviewed-by: Rik van Riel <riel@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Link: http://lkml.kernel.org/r/1381141781-10992-4-git-send-email-mgorman@suse.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
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@ -988,10 +988,10 @@ void task_numa_work(struct callback_head *work)
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out:
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/*
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* It is possible to reach the end of the VMA list but the last few VMAs are
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* not guaranteed to the vma_migratable. If they are not, we would find the
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* !migratable VMA on the next scan but not reset the scanner to the start
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* so check it now.
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* It is possible to reach the end of the VMA list but the last few
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* VMAs are not guaranteed to the vma_migratable. If they are not, we
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* would find the !migratable VMA on the next scan but not reset the
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* scanner to the start so check it now.
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*/
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if (vma)
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mm->numa_scan_offset = start;
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@ -1305,7 +1305,7 @@ int do_huge_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,
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spin_unlock(&mm->page_table_lock);
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lock_page(page);
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/* Confirm the PTE did not while locked */
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/* Confirm the PMD did not change while page_table_lock was released */
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spin_lock(&mm->page_table_lock);
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if (unlikely(!pmd_same(pmd, *pmdp))) {
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unlock_page(page);
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