From mboxrd@z Thu Jan 1 00:00:00 1970 From: will.deacon@arm.com (Will Deacon) Date: Thu, 3 Jul 2014 19:10:59 +0100 Subject: [PATCHv4 1/5] lib/genalloc.c: Add power aligned algorithm In-Reply-To: <1404324218-4743-2-git-send-email-lauraa@codeaurora.org> References: <1404324218-4743-1-git-send-email-lauraa@codeaurora.org> <1404324218-4743-2-git-send-email-lauraa@codeaurora.org> Message-ID: <20140703181059.GJ17372@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Jul 02, 2014 at 07:03:34PM +0100, Laura Abbott wrote: > > One of the more common algorithms used for allocation > is to align the start address of the allocation to > the order of size requested. Add this as an algorithm > option for genalloc. > > Signed-off-by: Laura Abbott > --- > include/linux/genalloc.h | 4 ++++ > lib/genalloc.c | 20 ++++++++++++++++++++ > 2 files changed, 24 insertions(+) > > diff --git a/include/linux/genalloc.h b/include/linux/genalloc.h > index 1c2fdaa..3cd0934 100644 > --- a/include/linux/genalloc.h > +++ b/include/linux/genalloc.h > @@ -110,6 +110,10 @@ extern void gen_pool_set_algo(struct gen_pool *pool, genpool_algo_t algo, > extern unsigned long gen_pool_first_fit(unsigned long *map, unsigned long size, > unsigned long start, unsigned int nr, void *data); > > +extern unsigned long gen_pool_first_fit_order_align(unsigned long *map, > + unsigned long size, unsigned long start, unsigned int nr, > + void *data); > + You could also update gen_pool_first_fit to call this new function instead. Anyway, that's up to you: Acked-by: Will Deacon Will