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authorIngo Molnar <mingo@elte.hu>2009-02-11 10:17:42 +0100
committerIngo Molnar <mingo@elte.hu>2009-02-11 10:17:42 +0100
commitf437e8b53eab92a5829e65781e29aed23d8ffd0c (patch)
tree48982c8818a4ac5cddb84ca6a1d55620eb9680ee /arch/sh/kernel/setup.c
parent140573d33b703194b7e1893711e78b7f546cca7c (diff)
parent8e4921515c1a379539607eb443d51c30f4f7f338 (diff)
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Merge commit 'v2.6.29-rc4' into sched/core
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);