Re: [PATCH 2/8] mm: alloc_contig_freed_pages() added

[Arnd Bergmann]

On Tuesday 05 July 2011, Marek Szyprowski wrote:
> From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> 
> This commit introduces alloc_contig_freed_pages() function
> which allocates (ie. removes from buddy system) free pages
> in range.  Caller has to guarantee that all pages in range
> are in buddy system.
> 
> Along with this function, a free_contig_pages() function is
> provided which frees all (or a subset of) pages allocated
> with alloc_contig_free_pages().
> 
> Michal Nazarewicz has modified the function to make it easier
> to allocate not MAX_ORDER_NR_PAGES aligned pages by making it
> return pfn of one-past-the-last allocated page.
> 
> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> Signed-off-by: Michal Nazarewicz <m.nazarewicz@xxxxxxxxxxx>
> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
> Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> CC: Michal Nazarewicz <mina86@xxxxxxxxxx>

Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
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