Re: ipc,sem: sysv semaphore scalability

[Dave Jones]

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@xxxxxxxxxx> 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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