lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

x86: Make 32bit support NO_BOOTMEM

Browse Source 
Let's make 32bit consistent with 64bit.

-v2: Andrew pointed out for 32bit that we should use -1ULL

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <1265793639-15071-25-git-send-email-yinghai@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Yinghai Lu
2010-02-10 01:20:28 -08:00
committed by H. Peter Anvin
parent 53db62a252
commit 59be5a8e8c
4 changed files with 12 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
arch/x86/mm/init_32.c
View File

@@ -748,6 +748,7 @@ static void __init zone_sizes_init(void)
free_area_init_nodes(max_zone_pfns);
}
#ifndef CONFIG_NO_BOOTMEM
static unsigned long __init setup_node_bootmem(int nodeid,
unsigned long start_pfn,
unsigned long end_pfn,
@@ -767,9 +768,11 @@ 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;
/*
@@ -781,11 +784,13 @@ void __init setup_bootmem_allocator(void)
if (bootmap == -1L)
panic("Cannot find bootmem map of size %ld\n", bootmap_size);
reserve_early(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;
@@ -803,6 +808,7 @@ void __init setup_bootmem_allocator(void)
bootmap = setup_node_bootmem(nodeid, start_pfn, end_pfn,
bootmap);
}
#endif
after_bootmem = 1;
}