Messages in this thread | | | Date | Wed, 10 Aug 2005 14:56:41 -0700 | From | "Martin J. Bligh" <> | Subject | Re: [RFC][patch 0/2] mm: remove PageReserved |
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--On Wednesday, August 10, 2005 23:50:22 +0200 Pavel Machek <pavel@suse.cz> 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) ?
M.
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