On Mon 1 Oct 2007 12:27, [EMAIL PROTECTED] pondered:
> overcommit by default is optimistic that if the program requesting the
> memory actually tries to use it there will be enough (both the fork-exec
> situation and the copy-on-write memory of real forks mean that the
> system ends up useing much
On Mon, 1 Oct 2007, Bernd Eckenfels wrote:
In article <[EMAIL PROTECTED]> you wrote:
Make kernel configuration option? (e.g. disable "over commit"
mis-feature :-)
# egrep . /proc/sys/vm/overcommit_*
/proc/sys/vm/overcommit_memory:0
/proc/sys/vm/overcommit_ratio:50
keep in mind that disablin
In article <[EMAIL PROTECTED]> you wrote:
> Make kernel configuration option? (e.g. disable "over commit"
> mis-feature :-)
# egrep . /proc/sys/vm/overcommit_*
/proc/sys/vm/overcommit_memory:0
/proc/sys/vm/overcommit_ratio:50
Gruss
Bernd
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How about just simple solution? Make it possible that "malloc" works
as it was originally intended: return NULL, if memory not available,
non-NULL only if allocation truly succeeded and is guaranteed..
Make kernel configuration option? (e.g. disable "over commit"
mis-feature :-)
--
Markku Savela
On 9/29/07, Daniel Spång <[EMAIL PROTECTED]> wrote:
> > An embedded system is NOT an ordinary system that happens to
> > boot from flash. An embedded system requires intelligent design.
>
> We might be talking about slightly different systems. I agree that
> systems that are really embedded, in the
linux-os (Dick Johnson) <[EMAIL PROTECTED]> wrote:
> On Fri, 28 Sep 2007, [iso-8859-1] Daniel Spång wrote:
>> On 9/28/07, linux-os (Dick Johnson) <[EMAIL PROTECTED]> wrote:
>>> On Fri, 28 Sep 2007, [iso-8859-1] Daniel Spång wrote:
On 9/28/07, linux-os (Dick Johnson) <[EMAIL PROTECTED]> wrote:
On Friday 28 September 2007 05:55, Daniel Spång wrote:
> Applications with dynamic input and dynamic memory usage have some
> issues with the current overcommitting kernel. A high memory usage
> situation eventually results in that a process is killed by the OOM
> killer. This is especially evident
On Fri, 2007-09-28 at 11:15 -0400, Rik van Riel wrote:
> On Fri, 28 Sep 2007 16:36:34 +0200
> Eric Dumazet <[EMAIL PROTECTED]> wrote:
>
> > On Fri, 28 Sep 2007 10:17:11 -0400
> > Rik van Riel <[EMAIL PROTECTED]> wrote:
> >
> > > On Fri, 28 Sep 2007 10:04:23 -0400
> > > "linux-os \(Dick Johnson\)"
On 9/28/07, linux-os (Dick Johnson) <[EMAIL PROTECTED]> wrote:
>
> On Fri, 28 Sep 2007, [iso-8859-1] Daniel Spång wrote:
>
> > On 9/28/07, linux-os (Dick Johnson) <[EMAIL PROTECTED]> wrote:
> >>
> >> On Fri, 28 Sep 2007, [iso-8859-1] Daniel Spång wrote:
> >>
> >>> On 9/28/07, linux-os (Dick Johnson
On Fri, 28 Sep 2007, [iso-8859-1] Daniel Spång wrote:
> On 9/28/07, linux-os (Dick Johnson) <[EMAIL PROTECTED]> wrote:
>>
>> On Fri, 28 Sep 2007, [iso-8859-1] Daniel Spång wrote:
>>
>>> On 9/28/07, linux-os (Dick Johnson) <[EMAIL PROTECTED]> wrote:
But an embedded system contains all th
On Fri, 28 Sep 2007 16:36:34 +0200
Eric Dumazet <[EMAIL PROTECTED]> wrote:
> On Fri, 28 Sep 2007 10:17:11 -0400
> Rik van Riel <[EMAIL PROTECTED]> wrote:
>
> > On Fri, 28 Sep 2007 10:04:23 -0400
> > "linux-os \(Dick Johnson\)" <[EMAIL PROTECTED]> wrote:
> > > On Fri, 28 Sep 2007, [iso-8859-1] Dan
On Fri, 28 Sep 2007 10:17:11 -0400
Rik van Riel <[EMAIL PROTECTED]> wrote:
> On Fri, 28 Sep 2007 10:04:23 -0400
> "linux-os \(Dick Johnson\)" <[EMAIL PROTECTED]> wrote:
> > On Fri, 28 Sep 2007, [iso-8859-1] Daniel Spång wrote:
> >
> > > On 9/28/07, linux-os (Dick Johnson) <[EMAIL PROTECTED]> wrot
On Fri, 28 Sep 2007 10:04:23 -0400
"linux-os \(Dick Johnson\)" <[EMAIL PROTECTED]> wrote:
> On Fri, 28 Sep 2007, [iso-8859-1] Daniel Spång wrote:
>
> > On 9/28/07, linux-os (Dick Johnson) <[EMAIL PROTECTED]> wrote:
> >>
> >> On Fri, 28 Sep 2007, [iso-8859-1] Daniel Spång wrote:
> >>> Some kind of
On 9/28/07, linux-os (Dick Johnson) <[EMAIL PROTECTED]> wrote:
>
> On Fri, 28 Sep 2007, [iso-8859-1] Daniel Spång wrote:
>
> > On 9/28/07, linux-os (Dick Johnson) <[EMAIL PROTECTED]> wrote:
> >>
> >> But an embedded system contains all the software that will
> >> ever be executed on that system! If
On Fri, 28 Sep 2007, [iso-8859-1] Daniel Spång wrote:
> On 9/28/07, linux-os (Dick Johnson) <[EMAIL PROTECTED]> wrote:
>>
>> On Fri, 28 Sep 2007, [iso-8859-1] Daniel Spång wrote:
>>
>>> Applications with dynamic input and dynamic memory usage have some
>>> issues with the current overcommitting k
On 9/28/07, linux-os (Dick Johnson) <[EMAIL PROTECTED]> wrote:
>
> On Fri, 28 Sep 2007, [iso-8859-1] Daniel Spång wrote:
>
> > Applications with dynamic input and dynamic memory usage have some
> > issues with the current overcommitting kernel. A high memory usage
> > situation eventually results i
On Fri, 28 Sep 2007, [iso-8859-1] Daniel Spång wrote:
> Applications with dynamic input and dynamic memory usage have some
> issues with the current overcommitting kernel. A high memory usage
> situation eventually results in that a process is killed by the OOM
> killer. This is especially eviden
Applications with dynamic input and dynamic memory usage have some
issues with the current overcommitting kernel. A high memory usage
situation eventually results in that a process is killed by the OOM
killer. This is especially evident in swapless embedded systems with
limited memory and no swap a
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