Re: [PATCHv21 06/16] mm: page_alloc: introduce alloc_contig_range()

[KAMEZAWA Hiroyuki]

On Fri, 10 Feb 2012 18:32:21 +0100
Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> wrote:

> From: Michal Nazarewicz <mina86@xxxxxxxxxx>
> 
> This commit adds the alloc_contig_range() function which tries
> to allocate given range of pages.  It tries to migrate all
> already allocated pages that fall in the range thus freeing them.
> Once all pages in the range are freed they are removed from the
> buddy system thus allocated for the caller to use.
> 
> Signed-off-by: Michal Nazarewicz <mina86@xxxxxxxxxx>
> Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> Acked-by: Mel Gorman <mel@xxxxxxxxx>
> Tested-by: Rob Clark <rob.clark@xxxxxxxxxx>
> Tested-by: Ohad Ben-Cohen <ohad@xxxxxxxxxx>
> Tested-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>

Hmm, I may have to refactoring memory hot unplug code using this :)

Thanks,
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>


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