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    Subject[PATCH] flush icache before set_pte() on ia64 take9 [1/2] migration fix
    In migration, a new page should be cache flushed before set_pte()
    in some archs which have virtually-tagged cache..
    I'll separate this from patch set in the next time.

    Signed-off-by: KAMEZAWA Hiroyuki <>

    mm/migrate.c | 1 +
    1 file changed, 1 insertion(+)

    Index: linux-2.6.23-rc2.test/mm/migrate.c
    --- linux-2.6.23-rc2.test.orig/mm/migrate.c
    +++ linux-2.6.23-rc2.test/mm/migrate.c
    @@ -171,6 +171,7 @@ static void remove_migration_pte(struct
    pte = pte_mkold(mk_pte(new, vma->vm_page_prot));
    if (is_write_migration_entry(entry))
    pte = pte_mkwrite(pte);
    + flush_cache_page(vma, addr, pte_pfn(pte));
    set_pte_at(mm, addr, ptep, pte);

    if (PageAnon(new))
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      Last update: 2007-08-09 06:57    [W:0.020 / U:3.856 seconds]
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