This patch adds the kmemleak-related entries to the vmlinux.lds.S
linker script.
Signed-off-by: Catalin Marinas <[email protected]>
---
arch/i386/kernel/vmlinux.lds.S | 6 ++++++
include/asm-i386/thread_info.h | 18 ++++++++++++++++--
2 files changed, 22 insertions(+), 2 deletions(-)
diff --git a/arch/i386/kernel/vmlinux.lds.S b/arch/i386/kernel/vmlinux.lds.S
index a53c8b1..2850bed 100644
--- a/arch/i386/kernel/vmlinux.lds.S
+++ b/arch/i386/kernel/vmlinux.lds.S
@@ -69,6 +69,7 @@ SECTIONS
/* writeable */
. = ALIGN(4096);
+ _sdata = .; /* Start of data section */
.data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */
*(.data)
CONSTRUCTORS
@@ -193,6 +194,11 @@ SECTIONS
*(.data.percpu)
__per_cpu_end = .;
}
+ .init.memleak_offsets : AT(ADDR(.init.memleak_offsets) - LOAD_OFFSET) {
+ __memleak_offsets_start = .;
+ *(.init.memleak_offsets)
+ __memleak_offsets_end = .;
+ }
. = ALIGN(4096);
/* freed after init ends here */
diff --git a/include/asm-i386/thread_info.h b/include/asm-i386/thread_info.h
index 4b187bb..02f3457 100644
--- a/include/asm-i386/thread_info.h
+++ b/include/asm-i386/thread_info.h
@@ -95,9 +95,23 @@ static inline struct thread_info *curren
/* thread information allocation */
#ifdef CONFIG_DEBUG_STACK_USAGE
-#define alloc_thread_info(tsk) kzalloc(THREAD_SIZE, GFP_KERNEL)
+#define alloc_thread_info(tsk) \
+ ({ \
+ struct thread_info *ret; \
+ \
+ ret = kzalloc(THREAD_SIZE, GFP_KERNEL); \
+ memleak_ignore(ret); \
+ ret; \
+ })
#else
-#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
+#define alloc_thread_info(tsk) \
+ ({ \
+ struct thread_info *ret; \
+ \
+ ret = kmalloc(THREAD_SIZE, GFP_KERNEL); \
+ memleak_ignore(ret); \
+ ret; \
+ })
#endif
#define free_thread_info(info) kfree(info)
-
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