Re: [patch 1/9] Guest page hinting: unused / free pages.
From: Dave Hansen <hidden>
Date: 2006-09-01 15:33:56
Also in:
lkml
From: Dave Hansen <hidden>
Date: 2006-09-01 15:33:56
Also in:
lkml
On Fri, 2006-09-01 at 13:09 +0200, Martin Schwidefsky wrote:
+++ linux-2.6-patched/mm/page_alloc.c 2006-09-01 12:49:35.000000000 +0200@@ -515,6 +515,7 @@ static void __free_pages_ok(struct page reserved += free_pages_check(page + i); if (reserved) return; + page_set_unused(page, order); kernel_map_pages(page, 1 << order, 0); local_irq_save(flags);
Do these have anything in common with arch_free_page()? I thought marking the pages as being "unused by the kernel" was the whole idea of having that hook. -- Dave