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 <[EMAIL PROTECTED]>

---
 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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