Messages in this thread | | | Date | Tue, 18 Jul 2006 06:59:22 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: [PATCH] mm: inactive-clean list |
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On Tue, 18 Jul 2006, Martin J. Bligh wrote:
> Someone remind me why we can't remove the memlocked pages from the LRU > again? Apart from needing a refcount of how many times they're memlocked > (or we just shove them back whenever they're unlocked, and let it fall > out again when we walk the list, but that doesn't fix the accounting > problem).
We simply do not unmap memlocked pages (see try_to_unmap). And therefore they are not reclaimable.
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