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Subject[PATCH 25/35] x86: Have nobootmem version setup_bootmem_allocator()
Date
We can reduce #ifdef number from 3 to one in init_32.c

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
arch/x86/mm/init_32.c | 15 ++++++++++-----
1 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index c01c711..dfdd035 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -771,11 +771,9 @@ static unsigned long __init setup_node_bootmem(int nodeid,

return bootmap + bootmap_size;
}
-#endif

void __init setup_bootmem_allocator(void)
{
-#ifndef CONFIG_NO_BOOTMEM
int nodeid;
unsigned long bootmap_size, bootmap;
/*
@@ -787,13 +785,11 @@ void __init setup_bootmem_allocator(void)
if (bootmap == -1L)
panic("Cannot find bootmem map of size %ld\n", bootmap_size);
lmb_reserve_area(bootmap, bootmap + bootmap_size, "BOOTMAP");
-#endif

printk(KERN_INFO " mapped low ram: 0 - %08lx\n",
max_pfn_mapped<<PAGE_SHIFT);
printk(KERN_INFO " low ram: 0 - %08lx\n", max_low_pfn<<PAGE_SHIFT);

-#ifndef CONFIG_NO_BOOTMEM
for_each_online_node(nodeid) {
unsigned long start_pfn, end_pfn;

@@ -811,10 +807,19 @@ void __init setup_bootmem_allocator(void)
bootmap = setup_node_bootmem(nodeid, start_pfn, end_pfn,
bootmap);
}
-#endif

after_bootmem = 1;
}
+#else
+void __init setup_bootmem_allocator(void)
+{
+ printk(KERN_INFO " mapped low ram: 0 - %08lx\n",
+ max_pfn_mapped<<PAGE_SHIFT);
+ printk(KERN_INFO " low ram: 0 - %08lx\n", max_low_pfn<<PAGE_SHIFT);
+
+ after_bootmem = 1;
+}
+#endif

/*
* paging_init() sets up the page tables - note that the first 8MB are
--
1.6.4.2


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