diff options
| author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-06-25 17:57:13 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 13:10:51 +0200 |
| commit | ccb4defa71744f086822950d8fa64a17c4e6eb04 (patch) | |
| tree | 3afcc819b85b4b7cdbd153c543b4f60b4db9d488 /arch/x86/kernel/setup_percpu.c | |
| parent | 257b0fde99df0160db03e529dbfb3a4e46c07a88 (diff) | |
x86: move back crashkernel back to setup.c
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/setup_percpu.c')
| -rw-r--r-- | arch/x86/kernel/setup_percpu.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index 2f807503e03..a3a19ab0ede 100644 --- a/arch/x86/kernel/setup_percpu.c +++ b/arch/x86/kernel/setup_percpu.c @@ -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 }, |