On 02/23/2010 09:21 AM, Johannes Weiner wrote:
From: Johannes Weiner<hannes@xxxxxxxxxxx> Subject: vmscan: improve comment on mlocked page in reclaim Signed-off-by: Johannes Weiner<hannes@xxxxxxxxxxx> --- diff --git a/mm/vmscan.c b/mm/vmscan.c index 674a78b..819fff7 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -578,7 +578,10 @@ static enum page_references page_check_references(struct page *page, if (sc->order> PAGE_ALLOC_COSTLY_ORDER) return PAGEREF_RECLAIM; - /* Mlock lost isolation race - let try_to_unmap() handle it */ + /* + * Mlock lost the isolation race with us. Let try_to_unmap() + * move the page to the unevictable list. + */ if (vm_flags& VM_LOCKED) return PAGEREF_RECLAIM;
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