Messages in this thread Patch in this message | | | Date | Tue, 31 Jul 2007 11:38:37 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | [PATCH] flush icache before set_pte take6. [1/4] migration fix |
| |
In migration, a new page should be cache flushed before set_pte() in some archs which have virtually-tagged cache..
V5 -> V6: * no changes (added new patches to the patch set) V4 -> V5: * changed flush_icache_page to flush_cache_page.
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
--- mm/migrate.c | 1 + 1 file changed, 1 insertion(+)
Index: linux-2.6.23-rc1.test/mm/migrate.c =================================================================== --- linux-2.6.23-rc1.test.orig/mm/migrate.c +++ linux-2.6.23-rc1.test/mm/migrate.c @@ -172,6 +172,7 @@ 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/
| |