> When $VERY_CRITICAL_DAEMON dies *all* the users blame the sysadmin [me]. If a
> user application dies because a malloc() returns NULL, the sysadmin [I] can
> blame the user saying: "hey! _you_ tried to hog the machine and _your_
> application is not able to handle the NULL result of the malloc()s
Alan Cox wrote:
>> - allow uid=1001 and uid=1002 (common users) to allocate memory only if the
>> total committed space is below the 50% of the physical RAM + the size of
>> swap:
>> [EMAIL PROTECTED] # echo 1001:2:50 > /proc/overcommit_uid
>> [EMAIL PROTECTED] # echo 1002:2:50 > /proc/overcomm
William Lee Irwin III wrote:
> On Mon, May 07, 2007 at 12:16:58PM -0700, William Lee Irwin III wrote:
>> The following stanza occurs often:
>> + if (!vm_acct_get_config(&v, current->uid)) {
>> + overcommit_memory = v.overcommit_memory;
>> + overcommit_ratio = v.ove
> - allow uid=1001 and uid=1002 (common users) to allocate memory only if the
> total committed space is below the 50% of the physical RAM + the size of
> swap:
> [EMAIL PROTECTED] # echo 1001:2:50 > /proc/overcommit_uid
> [EMAIL PROTECTED] # echo 1002:2:50 > /proc/overcommit_uid
There are som
On Mon, May 07, 2007 at 12:16:58PM -0700, William Lee Irwin III wrote:
> The following stanza occurs often:
> + if (!vm_acct_get_config(&v, current->uid)) {
> + overcommit_memory = v.overcommit_memory;
> + overcommit_ratio = v.overcommit_ratio;
> + } else {
>
Hi,
a few comments on the patch:
Andrea Righi <[EMAIL PROTECTED]> ha scritto:
> diff -urpN linux-2.6.21/include/linux/mman.h
> linux-2.6.21-vm-acct-user/include/linux/mman.h
> --- linux-2.6.21/include/linux/mman.h 2007-05-07 20:20:24.0 +0200
> +++ linux-2.6.21-vm-acct-user/include/linux
On Mon, May 07, 2007 at 08:56:39PM +0200, Andrea Righi wrote:
> Allow to define per-UID virtual memory overcommit handling. Configuration is
> stored in a hash list in kernel space reachable through /proc/overcommit_uid
> (surely there're better ways to do it, i.e. via configfs).
> Hash elements ar
Allow to define per-UID virtual memory overcommit handling. Configuration is
stored in a hash list in kernel space reachable through /proc/overcommit_uid
(surely there're better ways to do it, i.e. via configfs).
Hash elements are defined using a triple:
uid:overcommit_memory:overcommit_ratio
Th
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