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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-06 07:54:53 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-06 07:54:53 -0800
commit4a2164a7dbf0d3b6a1c2ef6f20c0d54350491a12 (patch)
tree1ef38a6a3b39f7e539fff848975a5672acc21f44 /arch/s390
parent15f043a65f655eb8a3aeb831a85da66de520c80f (diff)
parent45aa0663cc408617b79a2b53f0a5f50e94688a48 (diff)
Merge branch 'core-memblock-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'core-memblock-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (52 commits) memblock: Reimplement memblock allocation using reverse free area iterator memblock: Kill early_node_map[] score: Use HAVE_MEMBLOCK_NODE_MAP s390: Use HAVE_MEMBLOCK_NODE_MAP mips: Use HAVE_MEMBLOCK_NODE_MAP ia64: Use HAVE_MEMBLOCK_NODE_MAP SuperH: Use HAVE_MEMBLOCK_NODE_MAP sparc: Use HAVE_MEMBLOCK_NODE_MAP powerpc: Use HAVE_MEMBLOCK_NODE_MAP memblock: Implement memblock_add_node() memblock: s/memblock_analyze()/memblock_allow_resize()/ and update users memblock: Track total size of regions automatically powerpc: Cleanup memblock usage memblock: Reimplement memblock_enforce_memory_limit() using __memblock_remove() memblock: Make memblock functions handle overflowing range @size memblock: Reimplement __memblock_remove() using memblock_isolate_range() memblock: Separate out memblock_isolate_range() from memblock_set_node() memblock: Kill memblock_init() memblock: Kill sentinel entries at the end of static region arrays memblock: Add __memblock_dump_all() ...
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/Kconfig6
-rw-r--r--arch/s390/kernel/setup.c4
2 files changed, 6 insertions, 4 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 373679b3744..d48ede33443 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -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
@@ -345,9 +348,6 @@ config WARN_DYNAMIC_STACK
Say N if you are unsure.
-config ARCH_POPULATES_NODE_MAP
- def_bool y
-
comment "Kernel preemption"
source "kernel/Kconfig.preempt"
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index e54c4ff8aba..f11d1b037c5 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>
@@ -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),