From: Eric W. Biederman <ebiederm@xmission.com>
Date: Sat, 25 Jun 2005 21:57:42 +0000 (-0700)
Subject: [PATCH] kexec: x86_64: e820 64bit fix
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=70adada4282b52130ef31c7722d3fd8d94dacbc2;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

[PATCH] kexec: x86_64: e820 64bit fix

From: Eric W. Biederman <ebiederm@xmission.com>

It is ok to reserve resources > 4G on x86_64 struct resource is 64bit now :)

Signed-off-by: Eric Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c
index 7c154dfff64a..cf4878309b04 100644
--- a/arch/x86_64/kernel/e820.c
+++ b/arch/x86_64/kernel/e820.c
@@ -191,8 +191,6 @@ void __init e820_reserve_resources(void)
 	int i;
 	for (i = 0; i < e820.nr_map; i++) {
 		struct resource *res;
-		if (e820.map[i].addr + e820.map[i].size > 0x100000000ULL)
-			continue;
 		res = alloc_bootmem_low(sizeof(struct resource));
 		switch (e820.map[i].type) {
 		case E820_RAM:	res->name = "System RAM"; break;