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    SubjectRe: [PATCH 2/2] mm,migration: Avoid race between shift_arg_pages() and rmap_walk() during migration by not migrating temporary stacks
    On 05/01/2010 05:39 AM, Andrea Arcangeli wrote:

    > ===
    > Subject: fix race between shift_arg_pages and rmap_walk
    > From: Andrea Arcangeli<>
    > migrate.c requires rmap to be able to find all ptes mapping a page at
    > all times, otherwise the migration entry can be instantiated, but it
    > can't be removed if the second rmap_walk fails to find the page.
    > And split_huge_page() will have the same requirements as migrate.c
    > already has.
    > Signed-off-by: Andrea Arcangeli<>

    Reviewed-by: Rik van Riel <>

    All rights reversed

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      Last update: 2010-05-01 15:05    [W:0.026 / U:4.988 seconds]
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