linux-kernel - [PATCH 08/22] ARM: LPAE: use phys_addr

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Date:	Tue, 31 Jul 2012 19:04:44 -0400
From:	Cyril Chemparathy <cyril@...com>
To:	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
CC:	<arnd@...db.de>, <catalin.marinas@....com>, <nico@...aro.org>,
	<linux@....linux.org.uk>, <will.deacon@....com>,
	Vitaly Andrianov <vitalya@...com>,
	Cyril Chemparathy <cyril@...com>
Subject: [PATCH 08/22] ARM: LPAE: use phys_addr_t for initrd location and size

From: Vitaly Andrianov <vitalya@...com>

This patch fixes the initrd setup code to use phys_addr_t instead of assuming
32-bit addressing.  Without this we cannot boot on systems where initrd is
located above the 4G physical address limit.

Signed-off-by: Vitaly Andrianov <vitalya@...com>
Signed-off-by: Cyril Chemparathy <cyril@...com>
---
 arch/arm/mm/init.c |   14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 8252c31..51f3e92 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -36,12 +36,12 @@
 
 #include "mm.h"
 
-static unsigned long phys_initrd_start __initdata = 0;
-static unsigned long phys_initrd_size __initdata = 0;
+static phys_addr_t phys_initrd_start __initdata = 0;
+static phys_addr_t phys_initrd_size __initdata = 0;
 
 static int __init early_initrd(char *p)
 {
-	unsigned long start, size;
+	phys_addr_t start, size;
 	char *endp;
 
 	start = memparse(p, &endp);
@@ -347,14 +347,14 @@ void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc)
 #ifdef CONFIG_BLK_DEV_INITRD
 	if (phys_initrd_size &&
 	    !memblock_is_region_memory(phys_initrd_start, phys_initrd_size)) {
-		pr_err("INITRD: 0x%08lx+0x%08lx is not a memory region - disabling initrd\n",
-		       phys_initrd_start, phys_initrd_size);
+		pr_err("INITRD: 0x%08llx+0x%08llx is not a memory region - disabling initrd\n",
+		       (u64)phys_initrd_start, (u64)phys_initrd_size);
 		phys_initrd_start = phys_initrd_size = 0;
 	}
 	if (phys_initrd_size &&
 	    memblock_is_region_reserved(phys_initrd_start, phys_initrd_size)) {
-		pr_err("INITRD: 0x%08lx+0x%08lx overlaps in-use memory region - disabling initrd\n",
-		       phys_initrd_start, phys_initrd_size);
+		pr_err("INITRD: 0x%08llx+0x%08llx overlaps in-use memory region - disabling initrd\n",
+		       (u64)phys_initrd_start, (u64)phys_initrd_size);
 		phys_initrd_start = phys_initrd_size = 0;
 	}
 	if (phys_initrd_size) {
-- 
1.7.9.5

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