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authorIngo Molnar <mingo@elte.hu>2008-12-31 08:31:57 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-31 08:31:57 +0100
commita9de18eb761f7c1c860964b2e5addc1a35c7e861 (patch)
tree886e75fdfd09690cd262ca69cb7f5d1d42b48602 /arch/powerpc/platforms/pseries/hotplug-memory.c
parentb2aaf8f74cdc84a9182f6cabf198b7763bcb9d40 (diff)
parent6a94cb73064c952255336cc57731904174b2c58f (diff)
Merge branch 'linus' into stackprotector
Conflicts: arch/x86/include/asm/pda.h kernel/fork.c
Diffstat (limited to 'arch/powerpc/platforms/pseries/hotplug-memory.c')
-rw-r--r--arch/powerpc/platforms/pseries/hotplug-memory.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index a1a368dd2d9..a623ad256e9 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -21,7 +21,13 @@ static int pseries_remove_lmb(unsigned long base, unsigned int lmb_size)
struct zone *zone;
int ret;
- start_pfn = base >> PFN_SECTION_SHIFT;
+ start_pfn = base >> PAGE_SHIFT;
+
+ if (!pfn_valid(start_pfn)) {
+ lmb_remove(base, lmb_size);
+ return 0;
+ }
+
zone = page_zone(pfn_to_page(start_pfn));
/*