linux-kernel - [tip:x86/urgent] x86: Include all of .data.* sections in

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Date:	Sat, 18 Jul 2009 12:06:11 GMT
From:	tip-bot for Catalin Marinas <catalin.marinas@....com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	bug-track@...her-privat.net, penberg@...helsinki.fi,
	sam@...nborg.org, catalin.marinas@....com, tglx@...utronix.de,
	mingo@...e.hu
Subject: [tip:x86/urgent] x86: Include all of .data.* sections in _edata on 64-bit

Commit-ID:  8bcdbe427924a1e4b4e4cf68020e92e9f93fe011
Gitweb:     http://git.kernel.org/tip/8bcdbe427924a1e4b4e4cf68020e92e9f93fe011
Author:     Catalin Marinas <catalin.marinas@....com>
AuthorDate: Tue, 14 Jul 2009 10:52:55 +0100
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Sat, 18 Jul 2009 13:59:20 +0200

x86: Include all of .data.* sections in _edata on 64-bit

The .data.read_mostly and .data.cacheline_aligned sections
aren't covered by the _sdata .. _edata range on x86-64. This
affects kmemleak reporting leading to possible false
positives by not scanning the whole data section.

Signed-off-by: Catalin Marinas <catalin.marinas@....com>
Tested-by: Alexey Fisher <bug-track@...her-privat.net>
Acked-by: Sam Ravnborg <sam@...nborg.org>
Cc: Pekka Enberg <penberg@...helsinki.fi>
LKML-Reference: <1247565175.28240.37.camel@...117.cambridge.arm.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
Cc: Sam Ravnborg <sam@...nborg.org>


---
 arch/x86/kernel/vmlinux.lds.S |    7 -------
 1 files changed, 0 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index 367e878..59f31d2 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -112,11 +112,6 @@ SECTIONS
 		_sdata = .;
 		DATA_DATA
 		CONSTRUCTORS
-
-#ifdef CONFIG_X86_64
-		/* End of data section */
-		_edata = .;
-#endif
 	} :data
 
 #ifdef CONFIG_X86_32
@@ -156,10 +151,8 @@ SECTIONS
 	.data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {
 		*(.data.read_mostly)
 
-#ifdef CONFIG_X86_32
 		/* End of data section */
 		_edata = .;
-#endif
 	}
 
 #ifdef CONFIG_X86_64
--
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