From: Paul Mundt <lethal@linux-sh.org>
To: Rik van Riel <riel@surriel.com>
Cc: linux-mm@kvack.org, akpm@linux-foundation.org,
aarcange@redhat.com, peterz@infradead.org, minchan@gmail.com,
kosaki.motohiro@gmail.com, andi@firstfloor.org,
hannes@cmpxchg.org, mel@csn.ul.ie, linux-kernel@vger.kernel.org,
Rik van Riel <riel@redhat.com>,
Magnus Damm <magnus.damm@gmail.com>,
linux-sh@vger.kernel.org
Subject: Re: [PATCH -mm v2 11/11] mm: remove SH arch_get_unmapped_area functions
Date: Mon, 25 Jun 2012 02:11:21 +0000 [thread overview]
Message-ID: <20120625021121.GA9317@linux-sh.org> (raw)
In-Reply-To: <1340315835-28571-12-git-send-email-riel@surriel.com>
On Thu, Jun 21, 2012 at 05:57:15PM -0400, Rik van Riel wrote:
> Remove the SH special variants of arch_get_unmapped_area since
> the generic functions should now be able to handle everything.
>
> Paul, does anything in NOMMU SH need shm_align_mask?
>
> Untested because I have no SH hardware.
>
> Signed-off-by: Rik van Riel <riel@redhat.com>
> Cc: Paul Mundt <lethal@linux-sh.org>
> Cc: Magnus Damm <magnus.damm@gmail.com>
> Cc: linux-sh@vger.kernel.org
We don't particularly need it for the nommu case, it's just using the
default PAGE_SIZE case there. The primary reason for having it defined
is so we can use the same cache alias checking and d-cache purging code
on parts that can operate with or without the MMU enabled.
So it would be nice to have the variable generally accessible regardless
of CONFIG_MMU setting, rather than having to have a private definition
for the nommu case.
WARNING: multiple messages have this Message-ID (diff)
From: Paul Mundt <lethal@linux-sh.org>
To: Rik van Riel <riel@surriel.com>
Cc: linux-mm@kvack.org, akpm@linux-foundation.org,
aarcange@redhat.com, peterz@infradead.org, minchan@gmail.com,
kosaki.motohiro@gmail.com, andi@firstfloor.org,
hannes@cmpxchg.org, mel@csn.ul.ie, linux-kernel@vger.kernel.org,
Rik van Riel <riel@redhat.com>,
Magnus Damm <magnus.damm@gmail.com>,
linux-sh@vger.kernel.org
Subject: Re: [PATCH -mm v2 11/11] mm: remove SH arch_get_unmapped_area functions
Date: Mon, 25 Jun 2012 11:11:21 +0900 [thread overview]
Message-ID: <20120625021121.GA9317@linux-sh.org> (raw)
In-Reply-To: <1340315835-28571-12-git-send-email-riel@surriel.com>
On Thu, Jun 21, 2012 at 05:57:15PM -0400, Rik van Riel wrote:
> Remove the SH special variants of arch_get_unmapped_area since
> the generic functions should now be able to handle everything.
>
> Paul, does anything in NOMMU SH need shm_align_mask?
>
> Untested because I have no SH hardware.
>
> Signed-off-by: Rik van Riel <riel@redhat.com>
> Cc: Paul Mundt <lethal@linux-sh.org>
> Cc: Magnus Damm <magnus.damm@gmail.com>
> Cc: linux-sh@vger.kernel.org
We don't particularly need it for the nommu case, it's just using the
default PAGE_SIZE case there. The primary reason for having it defined
is so we can use the same cache alias checking and d-cache purging code
on parts that can operate with or without the MMU enabled.
So it would be nice to have the variable generally accessible regardless
of CONFIG_MMU setting, rather than having to have a private definition
for the nommu case.
WARNING: multiple messages have this Message-ID (diff)
From: Paul Mundt <lethal@linux-sh.org>
To: Rik van Riel <riel@surriel.com>
Cc: linux-mm@kvack.org, akpm@linux-foundation.org,
aarcange@redhat.com, peterz@infradead.org, minchan@gmail.com,
kosaki.motohiro@gmail.com, andi@firstfloor.org,
hannes@cmpxchg.org, mel@csn.ul.ie, linux-kernel@vger.kernel.org,
Rik van Riel <riel@redhat.com>,
Magnus Damm <magnus.damm@gmail.com>,
linux-sh@vger.kernel.org
Subject: Re: [PATCH -mm v2 11/11] mm: remove SH arch_get_unmapped_area functions
Date: Mon, 25 Jun 2012 11:11:21 +0900 [thread overview]
Message-ID: <20120625021121.GA9317@linux-sh.org> (raw)
In-Reply-To: <1340315835-28571-12-git-send-email-riel@surriel.com>
On Thu, Jun 21, 2012 at 05:57:15PM -0400, Rik van Riel wrote:
> Remove the SH special variants of arch_get_unmapped_area since
> the generic functions should now be able to handle everything.
>
> Paul, does anything in NOMMU SH need shm_align_mask?
>
> Untested because I have no SH hardware.
>
> Signed-off-by: Rik van Riel <riel@redhat.com>
> Cc: Paul Mundt <lethal@linux-sh.org>
> Cc: Magnus Damm <magnus.damm@gmail.com>
> Cc: linux-sh@vger.kernel.org
We don't particularly need it for the nommu case, it's just using the
default PAGE_SIZE case there. The primary reason for having it defined
is so we can use the same cache alias checking and d-cache purging code
on parts that can operate with or without the MMU enabled.
So it would be nice to have the variable generally accessible regardless
of CONFIG_MMU setting, rather than having to have a private definition
for the nommu case.
--
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next prev parent reply other threads:[~2012-06-25 2:11 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-21 21:57 [PATCH -mm v2 00/11] mm: scalable and unified arch_get_unmapped_area Rik van Riel
2012-06-21 21:57 ` Rik van Riel
2012-06-21 21:57 ` [PATCH -mm v2 01/11] mm: track free size between VMAs in VMA rbtree Rik van Riel
2012-06-21 21:57 ` Rik van Riel
2012-06-22 9:57 ` Peter Zijlstra
2012-06-22 9:57 ` Peter Zijlstra
2012-06-22 9:58 ` Peter Zijlstra
2012-06-22 9:58 ` Peter Zijlstra
2012-06-22 14:11 ` Rik van Riel
2012-06-22 14:11 ` Rik van Riel
2012-06-22 14:13 ` Peter Zijlstra
2012-06-22 14:13 ` Peter Zijlstra
2012-06-22 14:25 ` Rik van Riel
2012-06-22 14:25 ` Rik van Riel
2012-06-22 14:37 ` Peter Zijlstra
2012-06-22 14:37 ` Peter Zijlstra
2012-06-22 15:41 ` Rik van Riel
2012-06-22 15:41 ` Rik van Riel
2012-06-25 19:29 ` Peter Zijlstra
2012-06-25 19:29 ` Peter Zijlstra
2012-06-25 21:52 ` Rik van Riel
2012-06-25 21:52 ` Rik van Riel
2012-06-26 8:31 ` Peter Zijlstra
2012-06-26 8:31 ` Peter Zijlstra
2012-06-26 13:05 ` Rik van Riel
2012-06-26 13:05 ` Rik van Riel
2012-06-26 13:45 ` Peter Zijlstra
2012-06-26 13:45 ` Peter Zijlstra
2012-06-26 15:49 ` Rik van Riel
2012-06-26 15:49 ` Rik van Riel
2012-06-27 12:27 ` Peter Zijlstra
2012-06-27 12:27 ` Peter Zijlstra
2012-06-26 8:37 ` Peter Zijlstra
2012-06-26 8:37 ` Peter Zijlstra
2012-06-22 10:02 ` Peter Zijlstra
2012-06-22 10:02 ` Peter Zijlstra
2012-06-29 23:46 ` Michel Lespinasse
2012-06-29 23:46 ` Michel Lespinasse
2012-07-03 21:37 ` Rik van Riel
2012-07-03 21:37 ` Rik van Riel
2012-07-03 23:16 ` Michel Lespinasse
2012-07-03 23:16 ` Michel Lespinasse
2012-07-04 10:12 ` Peter Zijlstra
2012-07-04 10:12 ` Peter Zijlstra
2012-06-21 21:57 ` [PATCH -mm v2 02/11] mm: rearrange vm_area_struct for fewer cache misses Rik van Riel
2012-06-21 21:57 ` Rik van Riel
2012-06-21 21:57 ` [PATCH -mm v2 03/11] mm: vma_adjust: only call adjust_free_gap when needed Rik van Riel
2012-06-21 21:57 ` Rik van Riel
2012-06-21 21:57 ` [PATCH -mm v2 04/11] rbtree: add helpers to find nearest uncle node Rik van Riel
2012-06-21 21:57 ` Rik van Riel
2012-06-22 9:49 ` Peter Zijlstra
2012-06-22 9:49 ` Peter Zijlstra
2012-06-21 21:57 ` [PATCH -mm v2 05/11] mm: get unmapped area from VMA tree Rik van Riel
2012-06-21 21:57 ` Rik van Riel
2012-06-30 1:33 ` Michel Lespinasse
2012-06-30 1:33 ` Michel Lespinasse
2012-07-03 0:23 ` Michel Lespinasse
2012-07-03 0:23 ` Michel Lespinasse
2012-06-30 2:42 ` Michel Lespinasse
2012-06-30 2:42 ` Michel Lespinasse
2012-06-21 21:57 ` [PATCH -mm v2 06/11] mm: arbitrary address ranges for arch_get_unmapped_area Rik van Riel
2012-06-21 21:57 ` Rik van Riel
2012-06-21 21:57 ` [PATCH -mm v2 07/11] mm: make cache alignment code generic Rik van Riel
2012-06-21 21:57 ` Rik van Riel
2012-06-30 2:22 ` Michel Lespinasse
2012-06-30 2:22 ` Michel Lespinasse
2012-06-21 21:57 ` [PATCH -mm v2 08/11] mm: remove x86 arch_get_unmapped_area(_topdown) Rik van Riel
2012-06-21 21:57 ` Rik van Riel
2012-06-21 21:57 ` [PATCH -mm v2 09/11] mm: remove MIPS arch_get_unmapped_area code Rik van Riel
2012-06-21 21:57 ` Rik van Riel
2012-06-21 21:57 ` [PATCH -mm v2 10/11] mm: remove ARM arch_get_unmapped_area functions Rik van Riel
2012-06-21 21:57 ` Rik van Riel
2012-06-22 22:27 ` Russell King - ARM Linux
2012-06-22 22:27 ` Russell King - ARM Linux
2012-06-23 17:50 ` Johannes Weiner
2012-06-23 17:50 ` Johannes Weiner
2012-06-21 21:57 ` [PATCH -mm v2 11/11] mm: remove SH " Rik van Riel
2012-06-21 21:57 ` Rik van Riel
2012-06-21 21:57 ` Rik van Riel
2012-06-25 2:11 ` Paul Mundt [this message]
2012-06-25 2:11 ` Paul Mundt
2012-06-25 2:11 ` Paul Mundt
2012-06-22 14:24 ` [PATCH -mm v2 00/11] mm: scalable and unified arch_get_unmapped_area John Stoffel
2012-06-22 14:24 ` John Stoffel
2012-06-22 21:47 ` Andrew Morton
2012-06-22 21:47 ` Andrew Morton
2012-06-23 16:03 ` John Stoffel
2012-06-23 16:03 ` John Stoffel
2012-06-22 15:01 ` Johannes Weiner
2012-06-22 15:01 ` Johannes Weiner
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