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SubjectRe: [RFC 2/2] Prevent promotion of page in madvise_dontneed
On Sun, 21 Nov 2010 23:30:24 +0900, Minchan Kim <> wrote:
> Now zap_pte_range alwayas promotes pages which are pte_young &&
> !VM_SequentialReadHint(vma). But in case of calling MADV_DONTNEED,
> it's unnecessary since the page wouldn't use any more.
Is this not against master? If it is, I think you might have forgotten
to update the zap_page_range() reference on mm/memory.c:1226 (in
zap_vma_ptes()). Should promote be true or false in this case? Cheers,

- Ben

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