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From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCHv4 1/5] lib/genalloc.c: Add power aligned algorithm
Date: Thu, 3 Jul 2014 19:10:59 +0100	[thread overview]
Message-ID: <20140703181059.GJ17372@arm.com> (raw)
In-Reply-To: <1404324218-4743-2-git-send-email-lauraa@codeaurora.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 <lauraa@codeaurora.org>
> ---
>  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.deacon@arm.com>

Will

WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will.deacon@arm.com>
To: Laura Abbott <lauraa@codeaurora.org>
Cc: Catalin Marinas <Catalin.Marinas@arm.com>,
	David Riley <davidriley@chromium.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	Ritesh Harjain <ritesh.harjani@gmail.com>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCHv4 1/5] lib/genalloc.c: Add power aligned algorithm
Date: Thu, 3 Jul 2014 19:10:59 +0100	[thread overview]
Message-ID: <20140703181059.GJ17372@arm.com> (raw)
In-Reply-To: <1404324218-4743-2-git-send-email-lauraa@codeaurora.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 <lauraa@codeaurora.org>
> ---
>  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.deacon@arm.com>

Will

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WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will.deacon@arm.com>
To: Laura Abbott <lauraa@codeaurora.org>
Cc: Catalin Marinas <Catalin.Marinas@arm.com>,
	David Riley <davidriley@chromium.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	Ritesh Harjain <ritesh.harjani@gmail.com>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCHv4 1/5] lib/genalloc.c: Add power aligned algorithm
Date: Thu, 3 Jul 2014 19:10:59 +0100	[thread overview]
Message-ID: <20140703181059.GJ17372@arm.com> (raw)
In-Reply-To: <1404324218-4743-2-git-send-email-lauraa@codeaurora.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 <lauraa@codeaurora.org>
> ---
>  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.deacon@arm.com>

Will

  reply	other threads:[~2014-07-03 18:10 UTC|newest]

Thread overview: 85+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-02 18:03 [PATCHv4 0/5] DMA Atomic pool for arm64 Laura Abbott
2014-07-02 18:03 ` Laura Abbott
2014-07-02 18:03 ` Laura Abbott
2014-07-02 18:03 ` [PATCHv4 1/5] lib/genalloc.c: Add power aligned algorithm Laura Abbott
2014-07-02 18:03   ` Laura Abbott
2014-07-02 18:03   ` Laura Abbott
2014-07-03 18:10   ` Will Deacon [this message]
2014-07-03 18:10     ` Will Deacon
2014-07-03 18:10     ` Will Deacon
2014-07-09 22:35     ` Olof Johansson
2014-07-09 22:35       ` Olof Johansson
2014-07-09 22:35       ` Olof Johansson
2014-07-02 18:03 ` [PATCHv4 2/5] lib/genalloc.c: Add genpool range check function Laura Abbott
2014-07-02 18:03   ` Laura Abbott
2014-07-02 18:03   ` Laura Abbott
2014-07-03 18:14   ` Will Deacon
2014-07-03 18:14     ` Will Deacon
2014-07-03 18:14     ` Will Deacon
2014-07-09 22:33   ` Olof Johansson
2014-07-09 22:33     ` Olof Johansson
2014-07-09 22:33     ` Olof Johansson
2014-07-21 19:51     ` Laura Abbott
2014-07-21 19:51       ` Laura Abbott
2014-07-21 19:51       ` Laura Abbott
2014-07-22 15:50       ` Catalin Marinas
2014-07-22 15:50         ` Catalin Marinas
2014-07-22 15:50         ` Catalin Marinas
2014-07-02 18:03 ` [PATCHv4 3/5] common: dma-mapping: Introduce common remapping functions Laura Abbott
2014-07-02 18:03   ` Laura Abbott
2014-07-02 18:03   ` Laura Abbott
2014-07-09 22:46   ` Olof Johansson
2014-07-09 22:46     ` Olof Johansson
2014-07-09 22:46     ` Olof Johansson
2014-07-18 14:13     ` Catalin Marinas
2014-07-18 14:13       ` Catalin Marinas
2014-07-18 14:13       ` Catalin Marinas
2014-07-18 13:53   ` Catalin Marinas
2014-07-18 13:53     ` Catalin Marinas
2014-07-18 13:53     ` Catalin Marinas
2014-07-21 19:33     ` Laura Abbott
2014-07-21 19:33       ` Laura Abbott
2014-07-21 19:33       ` Laura Abbott
2014-07-22 16:04       ` Catalin Marinas
2014-07-22 16:04         ` Catalin Marinas
2014-07-22 16:04         ` Catalin Marinas
2014-07-02 18:03 ` [PATCHv4 4/5] arm: use genalloc for the atomic pool Laura Abbott
2014-07-02 18:03   ` Laura Abbott
2014-07-02 18:03   ` Laura Abbott
2014-07-04 13:42   ` Thierry Reding
2014-07-04 13:42     ` Thierry Reding
2014-07-21 21:22     ` Laura Abbott
2014-07-21 21:22       ` Laura Abbott
2014-07-21 21:22       ` Laura Abbott
2014-07-02 18:03 ` [PATCHv4 5/5] arm64: Add atomic pool for non-coherent and CMA allocations Laura Abbott
2014-07-02 18:03   ` Laura Abbott
2014-07-02 18:03   ` Laura Abbott
2014-07-04 13:35   ` Thierry Reding
2014-07-04 13:35     ` Thierry Reding
2014-07-21 22:00     ` Laura Abbott
2014-07-21 22:00       ` Laura Abbott
2014-07-21 22:00       ` Laura Abbott
2014-07-18 13:43   ` Catalin Marinas
2014-07-18 13:43     ` Catalin Marinas
2014-07-18 13:43     ` Catalin Marinas
2014-07-21 22:36     ` Laura Abbott
2014-07-21 22:36       ` Laura Abbott
2014-07-21 22:36       ` Laura Abbott
2014-07-22 15:56       ` Catalin Marinas
2014-07-22 15:56         ` Catalin Marinas
2014-07-22 15:56         ` Catalin Marinas
2014-07-22 18:06   ` Arnd Bergmann
2014-07-22 18:06     ` Arnd Bergmann
2014-07-22 18:06     ` Arnd Bergmann
2014-07-22 21:03     ` Catalin Marinas
2014-07-22 21:03       ` Catalin Marinas
2014-07-22 21:03       ` Catalin Marinas
2014-07-22 23:51       ` Laura Abbott
2014-07-22 23:51         ` Laura Abbott
2014-07-22 23:51         ` Laura Abbott
2014-07-23 11:12       ` Arnd Bergmann
2014-07-23 11:12         ` Arnd Bergmann
2014-07-23 11:12         ` Arnd Bergmann
  -- strict thread matches above, loose matches on Subject: below --
2014-07-23  1:35 [PATCHv4 0/5] Atomic pool for arm64 Laura Abbott
2014-07-23  1:35 ` [PATCHv4 1/5] lib/genalloc.c: Add power aligned algorithm Laura Abbott
2014-07-23  1:35   ` Laura Abbott
2014-07-23  1:35   ` Laura Abbott

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