Re: [PATCH 13/24] mm/power: Use memblock apis for early memory allocations

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On Friday, November 08, 2013 06:41:49 PM Santosh Shilimkar wrote:
> Switch to memblock interfaces for early memory allocator instead of
> bootmem allocator. No functional change in beahvior than what it is
> in current code from bootmem users points of view.
> 
> Archs already converted to NO_BOOTMEM now directly use memblock
> interfaces instead of bootmem wrappers build on top of memblock. And the
> archs which still uses bootmem, these new apis just fallback to exiting
> bootmem APIs.
> 
> Cc: Yinghai Lu <yinghai@xxxxxxxxxx>
> Cc: Tejun Heo <tj@xxxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Pavel Machek <pavel@xxxxxx>
> Cc: "Rafael J. Wysocki" <rjw@xxxxxxx>
> Cc: linux-pm@xxxxxxxxxxxxxxx
> 
> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx>

Fine by me, thanks!

> ---
>  kernel/power/snapshot.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
> index 358a146..887134e 100644
> --- a/kernel/power/snapshot.c
> +++ b/kernel/power/snapshot.c
> @@ -637,7 +637,7 @@ __register_nosave_region(unsigned long start_pfn, unsigned long end_pfn,
>  		BUG_ON(!region);
>  	} else
>  		/* This allocation cannot fail */
> -		region = alloc_bootmem(sizeof(struct nosave_region));
> +		region = memblock_virt_alloc(sizeof(struct nosave_region));
>  	region->start_pfn = start_pfn;
>  	region->end_pfn = end_pfn;
>  	list_add_tail(&region->list, &nosave_regions);
> 
-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.

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