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x86: move back crashkernel back to setup.c

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Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu 2008-06-25 17:57:13 -07:00 committed by Ingo Molnar
parent 257b0fde99
commit ccb4defa71
2 changed files with 58 additions and 57 deletions
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58
arch/x86/kernel/setup.c
View File

@ -400,6 +400,64 @@ void __init parse_setup_data(void)
}
}
/*
* --------- Crashkernel reservation ------------------------------
*/
#ifdef CONFIG_KEXEC
static inline unsigned long long get_total_mem(void)
{
unsigned long long total;
total = max_low_pfn - min_low_pfn;
#ifdef CONFIG_HIGHMEM
total += highend_pfn - highstart_pfn;
#endif
return total << PAGE_SHIFT;
}
void __init reserve_crashkernel(void)
{
unsigned long long total_mem;
unsigned long long crash_size, crash_base;
int ret;
total_mem = get_total_mem();
ret = parse_crashkernel(boot_command_line, total_mem,
&crash_size, &crash_base);
if (ret == 0 && crash_size > 0) {
if (crash_base <= 0) {
printk(KERN_INFO "crashkernel reservation failed - "
"you have to specify a base address\n");
return;
}
if (reserve_bootmem_generic(crash_base, crash_size,
BOOTMEM_EXCLUSIVE) < 0) {
printk(KERN_INFO "crashkernel reservation failed - "
"memory is in use\n");
return;
}
printk(KERN_INFO "Reserving %ldMB of memory at %ldMB "
"for crashkernel (System RAM: %ldMB)\n",
(unsigned long)(crash_size >> 20),
(unsigned long)(crash_base >> 20),
(unsigned long)(total_mem >> 20));
crashk_res.start = crash_base;
crashk_res.end = crash_base + crash_size - 1;
insert_resource(&iomem_resource, &crashk_res);
}
}
#else
void __init reserve_crashkernel(void)
{
}
#endif
/*
* Determine if we were loaded by an EFI loader. If so, then we have also been
* passed the efi memmap, systab, etc., so we should use these data structures

57
arch/x86/kernel/setup_percpu.c
View File

@ -387,63 +387,6 @@ EXPORT_SYMBOL(node_to_cpumask);
#endif /* X86_64_NUMA */
/*
* --------- Crashkernel reservation ------------------------------
*/
static inline unsigned long long get_total_mem(void)
{
unsigned long long total;
total = max_low_pfn - min_low_pfn;
#ifdef CONFIG_HIGHMEM
total += highend_pfn - highstart_pfn;
#endif
return total << PAGE_SHIFT;
}
#ifdef CONFIG_KEXEC
void __init reserve_crashkernel(void)
{
unsigned long long total_mem;
unsigned long long crash_size, crash_base;
int ret;
total_mem = get_total_mem();
ret = parse_crashkernel(boot_command_line, total_mem,
&crash_size, &crash_base);
if (ret == 0 && crash_size > 0) {
if (crash_base <= 0) {
printk(KERN_INFO "crashkernel reservation failed - "
"you have to specify a base address\n");
return;
}
if (reserve_bootmem_generic(crash_base, crash_size,
BOOTMEM_EXCLUSIVE) < 0) {
printk(KERN_INFO "crashkernel reservation failed - "
"memory is in use\n");
return;
}
printk(KERN_INFO "Reserving %ldMB of memory at %ldMB "
"for crashkernel (System RAM: %ldMB)\n",
(unsigned long)(crash_size >> 20),
(unsigned long)(crash_base >> 20),
(unsigned long)(total_mem >> 20));
crashk_res.start = crash_base;
crashk_res.end = crash_base + crash_size - 1;
insert_resource(&iomem_resource, &crashk_res);
}
}
#else
void __init reserve_crashkernel(void)
{}
#endif
static struct resource standard_io_resources[] = {
{ .name = "dma1", .start = 0x00, .end = 0x1f,
.flags = IORESOURCE_BUSY | IORESOURCE_IO },