Messages in this thread | | | Date | Sun, 6 Nov 2005 16:00:08 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] mm: poison struct page for ptlock |
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Hugh Dickins <hugh@veritas.com> wrote: > > Suppress split ptlock on arches which may use one page for multiple page > tables. Reconsider what better to do (particularly on ppc64) later on.
But why is that a problem per-se? A few "pagetable pages" will share the same lock. Deadlocky when we take two pagetable locks?
The code ran OK on ppc64, fwiw.
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