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authorIngo Molnar <mingo@elte.hu>2009-03-17 16:21:20 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-17 16:21:20 +0100
commit47239561e39bceefecc3cd67f71fcf86a198a8ff (patch)
tree9823d0973494ea8acabb744bc3aba42b610fb434 /arch/sh/kernel/setup.c
parented681a91ab805341675d166a9592551093c0a2d9 (diff)
parent5bee17f18b595937e6beafeee5197868a3f74a06 (diff)
downloadlwn-47239561e39bceefecc3cd67f71fcf86a198a8ff.tar.gz
lwn-47239561e39bceefecc3cd67f71fcf86a198a8ff.zip
Merge branch 'linus' into core/printk
Diffstat (limited to 'arch/sh/kernel/setup.c')
-rw-r--r--arch/sh/kernel/setup.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 534247508572..370d2cfa34eb 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -262,11 +262,11 @@ void __init setup_bootmem_allocator(unsigned long free_pfn)
BOOTMEM_DEFAULT);
/*
- * reserve physical page 0 - it's a special BIOS page on many boxes,
- * enabling clean reboots, SMP operation, laptop functions.
+ * Reserve physical pages below CONFIG_ZERO_PAGE_OFFSET.
*/
- reserve_bootmem(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET,
- BOOTMEM_DEFAULT);
+ if (CONFIG_ZERO_PAGE_OFFSET != 0)
+ reserve_bootmem(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET,
+ BOOTMEM_DEFAULT);
sparse_memory_present_with_active_regions(0);