linux-kernel - [PATCH] pstore: add support for 64 Bit address space

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Message-ID: <27017B294887C64C94ACAE870D1C65952A977B13@DEMUMBX013.nsn-intra.net>
Date:	Fri, 13 Nov 2015 12:10:05 +0000
From:	"Wiebe, Wladislav (Nokia - DE/Ulm)" <wladislav.wiebe@...ia.com>
To:	"anton@...msg.org" <anton@...msg.org>,
	"ccross@...roid.com" <ccross@...roid.com>,
	"keescook@...omium.org" <keescook@...omium.org>,
	"tony.luck@...el.com" <tony.luck@...el.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] pstore: add support for 64 Bit address space

Some architectures has there reserved RAM in 64 Bit address space.
Therefore converting mem_address module parameter to ullong.

Signed-off-by: Wladislav Wiebe <wladislav.wiebe@...ia.com>
---
 fs/pstore/ram.c            |    4 ++--
 include/linux/pstore_ram.h |    2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 319c3a6..bd9812e 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -55,8 +55,8 @@ static ulong ramoops_pmsg_size = MIN_MEM_SIZE;
 module_param_named(pmsg_size, ramoops_pmsg_size, ulong, 0400);
 MODULE_PARM_DESC(pmsg_size, "size of user space message log");
 
-static ulong mem_address;
-module_param(mem_address, ulong, 0400);
+static unsigned long long mem_address;
+module_param(mem_address, ullong, 0400);
 MODULE_PARM_DESC(mem_address,
 		"start of reserved RAM used to store oops/panic logs");
 
diff --git a/include/linux/pstore_ram.h b/include/linux/pstore_ram.h
index 9c9d6c1..4660aaa 100644
--- a/include/linux/pstore_ram.h
+++ b/include/linux/pstore_ram.h
@@ -76,7 +76,7 @@ ssize_t persistent_ram_ecc_string(struct persistent_ram_zone *prz,
 
 struct ramoops_platform_data {
 	unsigned long	mem_size;
-	unsigned long	mem_address;
+	phys_addr_t	mem_address;
 	unsigned int	mem_type;
 	unsigned long	record_size;
 	unsigned long	console_size;
-- 
1.7.1

Regards,
Wladislav Wiebe


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