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s390: Use HAVE_MEMBLOCK_NODE_MAP

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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
This commit is contained in:
Tejun Heo 2011-12-08 10:22:09 -08:00
parent 9d15ffc824
commit ff38df377c
2 changed files with 6 additions and 1 deletions
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3
arch/s390/Kconfig
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@ -92,6 +92,9 @@ config S390
select HAVE_ARCH_JUMP_LABEL if !MARCH_G5
select HAVE_RCU_TABLE_FREE if SMP
select ARCH_SAVE_PAGE_KEYS if HIBERNATION
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

4
arch/s390/kernel/setup.c
View File

@ -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>
@ -820,7 +821,8 @@ 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),