Re: [PATCH 2/4] mm: remove vma arg from page_evictable

From: Johannes Weiner
Date: Wed Sep 19 2012 - 12:46:25 EST


On Tue, Sep 18, 2012 at 08:53:45PM -0700, Hugh Dickins wrote:
> page_evictable(page, vma) is an irritant: almost all its callers pass
> NULL for vma. Remove the vma arg and use mlocked_vma_newpage(vma, page)
> explicitly in the couple of places it's needed. But in those places we
> don't even need page_evictable() itself! They're dealing with a freshly
> allocated anonymous page, which has no "mapping" and cannot be mlocked yet.
>
> Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx>
> Cc: Mel Gorman <mel@xxxxxxxxx>
> Cc: Rik van Riel <riel@xxxxxxxxxx>
> Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
> Cc: Michel Lespinasse <walken@xxxxxxxxxx>
> Cc: Ying Han <yinghan@xxxxxxxxxx>

Much better. With documentation updates and everything, thank you!

Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
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