Messages in this thread Patch in this message | | | Date | Thu, 9 Aug 2007 13:56:08 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | [PATCH] flush icache before set_pte() on ia64 take9 [1/2] migration fix |
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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 <kamezawa.hiroyu@jp.fujitsu.com>
--- 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)) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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