[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 at samsung.com> wrote:

> From: Michal Nazarewicz <mina86 at mina86.com>
> 
> 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 at mina86.com>
> Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>
> Acked-by: Mel Gorman <mel at csn.ul.ie>
> Tested-by: Rob Clark <rob.clark at linaro.org>
> Tested-by: Ohad Ben-Cohen <ohad at wizery.com>
> Tested-by: Benjamin Gaignard <benjamin.gaignard at linaro.org>

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

Thanks,
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu at jp.fujitsu.com>