On 8/11/05, Andrew Morton <[email protected]> wrote:
> Mel Gorman <[email protected]> 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?
/ magnus
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