Messages in this thread | | | Date | Thu, 07 May 2009 11:06:21 -0400 | From | Rik van Riel <> | Subject | Re: [PATCH -mm] vmscan: make mapped executable pages the first class citizen |
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Christoph Lameter wrote: > On Thu, 7 May 2009, Peter Zijlstra wrote: > > >> It re-instates the young bit for PROT_EXEC pages, so that they will only >> be paged when they are really cold, or there is severe pressure. >> > > But they are rescanned until then. Really cold means what exactly? I do a > back up of a few hundred gigabytes and do not use firefox while the backup > is ongoing. Will the firefox pages still be in memory or not? > The patch with the subject "[PATCH] vmscan: evict use-once pages first (v3)" together with this patch should make sure that it stays in memory.
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