| Date | Mon, 20 Jul 2009 14:32:00 -0400 | From | Rik van Riel <> | Subject | Re: [PATCH 06/10] ksm: identify PageKsm pages |
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Izik Eidus wrote: > From: Hugh Dickins <hugh.dickins@tiscali.co.uk> > > KSM will need to identify its kernel merged pages unambiguously, > and /proc/kpageflags will probably like to do so too. > > Since KSM will only be substituting anonymous pages, statistics are > best preserved by making a PageKsm page a special PageAnon page: > one with no anon_vma. > > But KSM then needs its own page_add_ksm_rmap() - keep it in ksm.h near > PageKsm; and do_wp_page() must COW them, unlike singly mapped PageAnons.
Acked-by: Rik van Riel <riel@redhat.com>
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