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x86: Provide _sdata in the vmlinux.lds.S file

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_sdata is a common symbol defined by many architectures and made
available to the kernel via asm-generic/sections.h. Kmemleak uses this
symbol when scanning the data sections.

[ Impact: add new global symbol ]

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
LKML-Reference: <20090511122105.26556.96593.stgit@pc1117.cambridge.arm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Catalin Marinas 2009-05-11 13:22:00 +01:00 committed by Ingo Molnar
parent 8c5dd8f433
commit 1260866a27
1 changed files with 2 additions and 0 deletions
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arch/x86/kernel/vmlinux.lds.S
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@ -108,6 +108,8 @@ SECTIONS
/* Data */
. = ALIGN(PAGE_SIZE);
.data : AT(ADDR(.data) - LOAD_OFFSET) {
/* Start of data section */
_sdata = .;
DATA_DATA
CONSTRUCTORS