Messages in this thread |  | | From | Daniel Phillips <> | Subject | Re: Google's mm problems | Date | Sun, 4 Nov 2001 04:29:39 +0100 |
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On November 3, 2001 09:56 pm, Christian Ehrhardt wrote: > On Wed, Oct 31, 2001 at 12:07:17AM +0100, Daniel Phillips wrote: > > Hi, I've been taking a look on a mm problem that Ben Smith of Google posted > > a couple of weeks ago. As it stands, Google can't use 2.4 yet because all > > known flavors of 2.4 mm fall down in one way or another. This is not good. > > Andrea suggested that this might be a mlock bug and someone else > pointed out that madvise instead of mlock exhibits similar behaviour. > So I looked at this code and this patch looks obviously correct:
I'm pretty sure at this point that it's just poor balancing between zones. To test this, Ben tried it highmem config'ed off and ran without problems (2/2G user/kernel split).
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