[PATCH 13/24] mm/power: Use memblock apis for early memory allocations
Rafael J. Wysocki
rjw at sisk.pl
Fri Nov 8 20:30:44 EST 2013
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 at kernel.org>
> Cc: Tejun Heo <tj at kernel.org>
> Cc: Andrew Morton <akpm at linux-foundation.org>
> Cc: Pavel Machek <pavel at ucw.cz>
> Cc: "Rafael J. Wysocki" <rjw at sisk.pl>
> Cc: linux-pm at vger.kernel.org
>
> Signed-off-by: Santosh Shilimkar <santosh.shilimkar at ti.com>
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(®ion->list, &nosave_regions);
>
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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