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SubjectRe: [PATCH 2.5.66-mm2] Fix page_convert_anon locking issues
Dave McCracken <> wrote:
> Oops. The pmd_present() check should be after the page_to_pfn() !=
> pte_pfn() check.

hmmmm. It also probably needs both compiler barriers and memory barriers.

It does give me creepy feelings. I worry that because nobody uses
remap_file_pages() yet, we will hit 2.6.25 before discovering that we have
fundamental VM locking problems which affect $major$ applications.

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