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SubjectRe: [Patch 1/1] init: Provide a kernel start parameter to increase pid_max v2
On Wed, Apr 21, 2010 at 10:20 Alan Cox wrote:
| > of 32k will not be enough. A system with 1664 CPU's, there are 25163 processes
| > started before the login prompt. It's estimated that with 2048 CPU's we will pass
|
| Is that perhaps the bug not the 32K limit?

Doubt it: I just checked on an *idle* 1664 CPUs system and I can see 26844
tasks, all but few being kernel threads.

Worst case scenario i.e. 4096 CPUs system (+ typically thousands of disks) will
most certainly pain to boot, if it ever manages to, when pid_max is set to 32K.

Cheers,
Hedi.
--
Be careful of reading health books, you might die of a misprint.
-- Mark Twain


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