Messages in this thread |  | | Date | Tue, 2 Apr 2013 16:00:27 -0400 | | From | Dave Jones <> | | Subject | Re: ipc,sem: sysv semaphore scalability |
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On Tue, Apr 02, 2013 at 03:53:01PM -0400, Sasha Levin wrote: > On 04/02/2013 01:52 PM, Linus Torvalds wrote: > > On Tue, Apr 2, 2013 at 9:08 AM, Sasha Levin <sasha.levin@oracle.com> wrote: > >> > >> By just playing with the 'msgsz' parameter with MSG_COPY set. > > > > Hmm. Looking closer, I suspect you're testing without commit > > 88b9e456b164 ("ipc: don't allocate a copy larger than max"). That > > should limit the size passed in to prepare_copy -> load_copy to > > msg_ctlmax. > > That commit has a revert in the -next trees, do we need a revert > of the revert?
Yeah, I told Andrew to drop that, but I think he's travelling.
Dave
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