> 1) When physical memory runs low, the memory manager will try to use
> memory currently allocated to the pagecache. Is this true?
Yes.
> 2) When vm.overcommit_memory = 2 (overcommit disabled), and memory runs
> low, it appears that the memory manager does not try to use memory
> currently
1) When physical memory runs low, the memory manager will try to use
memory currently allocated to the pagecache. Is this true?
Yes.
2) When vm.overcommit_memory = 2 (overcommit disabled), and memory runs
low, it appears that the memory manager does not try to use memory
currently
10, 2007 12:17 PM
To: Mouawad, Tony
Cc: Robert Hancock; linux-kernel@vger.kernel.org
Subject: Re: Help Understanding Linux memory management
On Tue, 10 Apr 2007 10:31:34 -0400
"Mouawad, Tony" <[EMAIL PROTECTED]> wrote:
> When vm.overcommit_memory = 2 and there appears to be
On Tue, 10 Apr 2007 10:31:34 -0400
"Mouawad, Tony" <[EMAIL PROTECTED]> wrote:
> When vm.overcommit_memory = 2 and there appears to be about 2M of memory
> readily available and about 12M of memory allocated to pagecache (this
> is info gathered from /proc/meminfo) , a call to malloc(500)
request the memory in pagecache to be released for use by the app.
-Original Message-
From: Robert Hancock [mailto:[EMAIL PROTECTED]
Sent: Tuesday, April 10, 2007 10:15 AM
To: Mouawad, Tony
Cc: linux-kernel@vger.kernel.org
Subject: Re: Help Understanding Linux memory management
Mouawad, Tony
Hi,
> I've been a MS Windows based programmer for a very long time and was
> recently tossed in an environment where I am developing embedded apps on
> the m68k / Linux platform. That makes me a Linux newbie. I started
> asking a few questions on various IRC channels and was directed to this
>
Mouawad, Tony wrote:
Hello,
I've been a MS Windows based programmer for a very long time and was
recently tossed in an environment where I am developing embedded apps on
the m68k / Linux platform. That makes me a Linux newbie. I started
asking a few questions on various IRC channels and was
Mouawad, Tony wrote:
Hello,
I've been a MS Windows based programmer for a very long time and was
recently tossed in an environment where I am developing embedded apps on
the m68k / Linux platform. That makes me a Linux newbie. I started
asking a few questions on various IRC channels and was
Hi,
I've been a MS Windows based programmer for a very long time and was
recently tossed in an environment where I am developing embedded apps on
the m68k / Linux platform. That makes me a Linux newbie. I started
asking a few questions on various IRC channels and was directed to this
request the memory in pagecache to be released for use by the app.
-Original Message-
From: Robert Hancock [mailto:[EMAIL PROTECTED]
Sent: Tuesday, April 10, 2007 10:15 AM
To: Mouawad, Tony
Cc: linux-kernel@vger.kernel.org
Subject: Re: Help Understanding Linux memory management
Mouawad, Tony
On Tue, 10 Apr 2007 10:31:34 -0400
Mouawad, Tony [EMAIL PROTECTED] wrote:
When vm.overcommit_memory = 2 and there appears to be about 2M of memory
readily available and about 12M of memory allocated to pagecache (this
is info gathered from /proc/meminfo) , a call to malloc(500) returns
10, 2007 12:17 PM
To: Mouawad, Tony
Cc: Robert Hancock; linux-kernel@vger.kernel.org
Subject: Re: Help Understanding Linux memory management
On Tue, 10 Apr 2007 10:31:34 -0400
Mouawad, Tony [EMAIL PROTECTED] wrote:
When vm.overcommit_memory = 2 and there appears to be about 2M of
memory
readily
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