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    SubjectRe: [RFC][patch 0/2] mm: remove PageReserved
    --On Wednesday, August 10, 2005 23:50:22 +0200 Pavel Machek <> wrote:

    > Hi!
    >> > Swsusp is the main "is valid ram" user I have in mind here. It
    >> > wants to know whether or not it should save and restore the
    >> > memory of a given `struct page`.
    >> Why can't it follow the rmap chain?
    > It is walking physical memory, not memory managment chains. I need
    > something like:

    Can you not use page_is_ram(pfn) ?


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