flush cache before installing new page at migraton

[deliverable/linux.git] / mm / migrate.c

diff --git a/mm/migrate.c b/mm/migrate.c
index 71c38b43c019f4c0250c8f82dde94e21501c1ab4..ea11ddb58275ec292783418c05c12852e903e4a0 100644 (file)
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -171,6 +171,7 @@ static void remove_migration_pte(struct vm_area_struct *vma,
        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))