arm: Provide _sdata and __bss_stop in the vmlinux.lds.S file

_sdata and __bss_stop are common symbols defined by many architectures
and made available to the kernel via asm-generic/sections.h. Kmemleak
uses these symbols when scanning the data sections.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index c90f272..6c07797 100644 (file)
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -141,6 +141,7 @@ SECTIONS
 
        .data : AT(__data_loc) {
                _data = .;              /* address in memory */
+               _sdata = .;
 
                /*
                 * first, the init task union, aligned
@@ -192,6 +193,7 @@ SECTIONS
                __bss_start = .;        /* BSS                          */
                *(.bss)
                *(COMMON)
+               __bss_stop = .;
                _end = .;
        }
                                        /* Stabs debugging sections.    */