Messages in this thread | | | Date | Thu, 11 Aug 2005 12:08:19 +0900 | From | Magnus Damm <> | Subject | Re: How to reclaim inode pages on demand |
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On 8/11/05, Andrew Morton <akpm@osdl.org> wrote: > Mel Gorman <mel@csn.ul.ie> wrote: > > The majority of pages I am seeing no longer have page->mapping set. Does > > this mean they are in the process of being cleared up? > > They're just anonymous pages, aren't they? But you said "pages that are > being used for inodes". Confused.
I thought page->mapping was used by rmap for both inode-backed and anonymous pages. And the PAGE_MAPPING_ANON bit was used to determine that page->mapping points to struct anon_vma instead of struct address_space.
When is page->mapping NULL?
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