Messages in this thread | | | Date | Mon, 13 Jul 2009 20:50:33 -0700 | Subject | Re: [PATCH 3/3] Quick vmalloc vs kmalloc fix to the case where array size is too large | From | Paul Menage <> |
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On Mon, Jul 13, 2009 at 4:49 PM, KAMEZAWA Hiroyuki<kamezawa.hiroyu@jp.fujitsu.com> wrote: > IIUC, this place, .../procs interface is not so important for performance > as to being allowed this ugly conding. >
It's not just the calling thread that suffers from the overhead - we've seen performance hits on other processes on a machine due to the TLB-shootdown overhead associated with vmalloc()/vfree().
Paul
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