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sh: Only reserve memory under CONFIG_ZERO_PAGE_OFFSET when it != 0.

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Signed-off-by: Chris Smith <chris.smith@st.com>
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Christopher SMITH 2008-10-06 12:46:18 +01:00 committed by Paul Mundt
parent cadc4e1a2b
commit 4886516310
1 changed files with 4 additions and 4 deletions
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8
arch/sh/kernel/setup.c
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@ -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);