[S390] Enable kmemleak on s390.
Also increase the maximum possible kmemleak early log entries since
2000 are not sufficient on s390.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index bc15ef9..a68ac10 100644
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -51,6 +51,7 @@
. = ALIGN(PAGE_SIZE);
_eshared = .; /* End of shareable data */
+ _sdata = .; /* Start of data section */
EXCEPTION_TABLE(16) :data
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 8911558..30df586 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -346,8 +346,9 @@
config DEBUG_KMEMLEAK
bool "Kernel memory leak detector"
- depends on DEBUG_KERNEL && EXPERIMENTAL && (X86 || ARM || PPC) && \
- !MEMORY_HOTPLUG
+ depends on DEBUG_KERNEL && EXPERIMENTAL && !MEMORY_HOTPLUG && \
+ (X86 || ARM || PPC || S390)
+
select DEBUG_FS if SYSFS
select STACKTRACE if STACKTRACE_SUPPORT
select KALLSYMS
@@ -370,7 +371,7 @@
config DEBUG_KMEMLEAK_EARLY_LOG_SIZE
int "Maximum kmemleak early log entries"
depends on DEBUG_KMEMLEAK
- range 200 2000
+ range 200 40000
default 400
help
Kmemleak must track all the memory allocations to avoid