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Subject[PATCH 20/23] s390: Use HAVE_MEMBLOCK_NODE_MAP
Date
s390 used early_node_map[] just to prime free_area_init_nodes().  Now
memblock can be used for the same purpose and early_node_map[] is
scheduled to be dropped. Use memblock instead.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: linux-s390@vger.kernel.org
---
Only compile tested.
arch/s390/Kconfig | 3 +++
arch/s390/kernel/setup.c | 4 +++-
2 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index c03fef7..e0c3929 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -90,6 +90,9 @@ config S390
select HAVE_ARCH_MUTEX_CPU_RELAX
select HAVE_ARCH_JUMP_LABEL if !MARCH_G5
select HAVE_RCU_TABLE_FREE if SMP
+ select HAVE_MEMBLOCK
+ select HAVE_MEMBLOCK_NODE_MAP
+ select ARCH_DISCARD_MEMBLOCK
select ARCH_INLINE_SPIN_TRYLOCK
select ARCH_INLINE_SPIN_TRYLOCK_BH
select ARCH_INLINE_SPIN_LOCK
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 0c35dee..5b4e48a 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -21,6 +21,7 @@
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/kernel.h>
+#include <linux/memblock.h>
#include <linux/mm.h>
#include <linux/stddef.h>
#include <linux/unistd.h>
@@ -596,7 +597,8 @@ setup_memory(void)
end_chunk = min(end_chunk, end_pfn);
if (start_chunk >= end_chunk)
continue;
- add_active_range(0, start_chunk, end_chunk);
+ memblock_add_node(PFN_PHYS(start_chunk),
+ PFN_PHYS(end_chunk - start_chunk), 0);
pfn = max(start_chunk, start_pfn);
for (; pfn < end_chunk; pfn++)
page_set_storage_key(PFN_PHYS(pfn),
--
1.7.6


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