All of lore.kernel.org
 help / color / mirror / Atom feed
From: Santosh Shilimkar <santosh.shilimkar@ti.com>
To: "Premi, Sanjeev" <premi@ti.com>
Cc: "linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>
Subject: Re: [PATCH RFC] OMAP2PLUS: Enable HIGHMEM
Date: Thu, 02 Jun 2011 19:24:44 +0530	[thread overview]
Message-ID: <4DE79624.5080804@ti.com> (raw)
In-Reply-To: <B85A65D85D7EB246BE421B3FB0FBB593024D2D2801@dbde02.ent.ti.com>

On 6/2/2011 6:51 PM, Premi, Sanjeev wrote:
>> -----Original Message-----
>> From: linux-omap-owner@vger.kernel.org
>> [mailto:linux-omap-owner@vger.kernel.org] On Behalf Of
>> Shilimkar, Santosh
>> Sent: Thursday, June 02, 2011 5:36 PM
>> To: linux-omap@vger.kernel.org
>> Cc: Shilimkar, Santosh
>> Subject: [PATCH RFC] OMAP2PLUS: Enable HIGHMEM
>>
>> HIGMEM support is kernel is quite mature now and we have boards
> [sp]             ^^ replace with "in"
yep. I sent that update in next email.

>
>> like ZOOM, PANDA, SDP where 1 GB memories are installed.
>>
>> Enable HIGMEM to make use of the additional memory.
>>
>> Signed-off-by: Santosh Shilimkar<santosh.shilimkar@ti.com>
>> ---
>> This won't boards which doesn't have excess memory. Tested
>> on OMAP4430 SDP
>
> [sp] Comment is unclear on what happens on the boards with
>       lesser memories esp. since the change will impact all
>       boards. You may want to explain.
>

On the boards which doesn't have more than 768 MB memory, all the memory
is directly mapped in "lowmem" and highmem isn't exercised.


>>
>>   arch/arm/mach-omap2/Kconfig |    1 +
>>   1 files changed, 1 insertions(+), 0 deletions(-)
>>
>> diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
>> index 19d5891..25e819e 100644
>> --- a/arch/arm/mach-omap2/Kconfig
>> +++ b/arch/arm/mach-omap2/Kconfig
>> @@ -19,6 +19,7 @@ config ARCH_OMAP2PLUS_TYPICAL
>>   	select MENELAUS if ARCH_OMAP2
>>   	select TWL4030_CORE if ARCH_OMAP3 || ARCH_OMAP4
>>   	select TWL4030_POWER if ARCH_OMAP3 || ARCH_OMAP4
>> +	select HIGHMEM
>>   	help
>>   	  Compile a kernel suitable for booting most boards
>>
>> --
>> 1.6.0.4
>>
>> --
>> To unsubscribe from this list: send the line "unsubscribe
>> linux-omap" in
>> the body of a message to majordomo@vger.kernel.org
>> More majordomo info at  http://vger.kernel.org/majordomo-info.html


  reply	other threads:[~2011-06-02 13:54 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-02 12:06 [PATCH RFC] OMAP2PLUS: Enable HIGHMEM Santosh Shilimkar
2011-06-02 13:21 ` Santosh Shilimkar
2011-06-02 13:21 ` Premi, Sanjeev
2011-06-02 13:54   ` Santosh Shilimkar [this message]
2011-08-25  8:42 ` Santosh

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4DE79624.5080804@ti.com \
    --to=santosh.shilimkar@ti.com \
    --cc=linux-omap@vger.kernel.org \
    --cc=premi@ti.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.