From: Mike Kravetz <kravetz@us.ibm.com>
Date: Fri, 4 Nov 2005 23:19:32 +0000 (-0800)
Subject: [PATCH] Memory Add Fixes for ppc64
X-Git-Tag: v2.6.15-rc1~51^2~52
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dd7ccbd3eed52a42dc8bba57717dac3ece39b58e;p=linux-2.6

[PATCH] Memory Add Fixes for ppc64

memmap_init_zone() sets page count to 1.  Before 'freeing' the
page, we need to clear the count.  This is the same that is done
on free_all_bootmem_core() for memory discovered at boot time.

Signed-off-by: Mike Kravetz <kravetz@us.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---

diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 2ead095182..1dd3cc69a4 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -110,6 +110,7 @@ EXPORT_SYMBOL(phys_mem_access_prot);
 void online_page(struct page *page)
 {
 	ClearPageReserved(page);
+	set_page_count(page, 0);
 	free_cold_page(page);
 	totalram_pages++;
 	num_physpages++;