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