linux-kernel - [PATCH] x86, efi: free memory with the correct call

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Date:	Mon,  6 Jun 2011 17:56:53 +0200
From:	Maarten Lankhorst <m.b.lankhorst@...il.com>
To:	x86@...nel.org
Cc:	linux-kernel@...r.kernel.org,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Jim Bos <jim876@...all.nl>,
	Maarten Lankhorst <m.b.lankhorst@...il.com>
Subject: [PATCH] x86, efi: free memory with the correct call

Commit 916f676f8dc introduced a call to free_bootmem_late while it
reserves memory with memblock_x64_reserve_range
Fix this call to silence the swapper BUGs:

BUG: Bad page state in process swapper  pfn:00000

Signed-off-by: Maarten Lankhorst <m.b.lankhorst@...il.com>
Tested-by: Jim Bos <jim876@...all.nl>
---
 arch/x86/platform/efi/efi.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 0d3a4fa..d2eefaa 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -29,7 +29,6 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/efi.h>
-#include <linux/bootmem.h>
 #include <linux/memblock.h>
 #include <linux/spinlock.h>
 #include <linux/uaccess.h>
@@ -334,7 +333,7 @@ static void __init efi_free_boot_services(void)
 		    md->type != EFI_BOOT_SERVICES_DATA)
 			continue;
 
-		free_bootmem_late(start, size);
+		memblock_x86_free_memory_in_range(start, start + size);
 	}
 }
 
-- 
1.7.4.1

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