[PATCH] flush cache fixes for ia64 [1/2] migration fix

In migration, a new page should be cache flushed before set_pte()
in some archs.

Signed-Off-By: KAMEZAWA Hiroyuki <[email protected]>

---
 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_icache_page(vma, new);
 	set_pte_at(mm, addr, ptep, pte);
 
 	if (PageAnon(new))

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---

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    • From: KAMEZAWA Hiroyuki <[email protected]>

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