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[Bug 444597] order-0 page allocation error
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Tue, 2 Dec 2008 23:35:29 -0700 (MST)
  • Message-id: <20081203063529.57F32245391@xxxxxxxxxxxxxxxxxxxxxx>
https://bugzilla.novell.com/show_bug.cgi?id=444597

User nfbrown@xxxxxxxxxx added comment
https://bugzilla.novell.com/show_bug.cgi?id=444597#c40





--- Comment #40 from Neil Brown <nfbrown@xxxxxxxxxx> 2008-12-02 23:35:26 MST
---
Hi Miklos.
Looks like you have found the problem despite your skepticism. Well done.

I've been trying to figure out how to implement your idea of only
blocking on a single page allocation.
I'll attach the patch that I've come up with, however I'm
not very confident of it.
I need to call cpu_cache_get both directly and via slab_force_alloc
in a context where we could conceivably be rescheduled onto another
CPU. This feels wrong, but I cannot see that it will actually be
a problem.

Have you thought about an implementation?


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