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authorPaul Mundt <lethal@linux-sh.org>2010-05-07 07:54:55 +0200
committerPaul Mundt <lethal@linux-sh.org>2010-05-07 07:54:55 +0200
commita5ec39507129a086d8838228ac1ca0a2eab38f91 (patch)
tree01c3cfa2f80aa3144b16c87e2cf769b605c7c889 /arch/sh/kernel/setup.c
parentsh: Make initrd detection more robust. (diff)
downloadlinux-a5ec39507129a086d8838228ac1ca0a2eab38f91.tar.xz
linux-a5ec39507129a086d8838228ac1ca0a2eab38f91.zip
sh: convert kexec crash kernel management to LMB.
This migrates the crash kernel handling off of bootmem and over to LMB. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/setup.c')
-rw-r--r--arch/sh/kernel/setup.c43
1 files changed, 0 insertions, 43 deletions
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 9c7f7811af70..d67a8a386907 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -145,49 +145,6 @@ static void __init register_bootmem_low_pages(void)
free_bootmem(PFN_PHYS(curr_pfn), PFN_PHYS(pages));
}
-#ifdef CONFIG_KEXEC
-static void __init reserve_crashkernel(void)
-{
- unsigned long long free_mem;
- unsigned long long crash_size, crash_base;
- void *vp;
- int ret;
-
- free_mem = ((unsigned long long)max_low_pfn - min_low_pfn) << PAGE_SHIFT;
-
- ret = parse_crashkernel(boot_command_line, free_mem,
- &crash_size, &crash_base);
- if (ret == 0 && crash_size) {
- if (crash_base <= 0) {
- vp = alloc_bootmem_nopanic(crash_size);
- if (!vp) {
- printk(KERN_INFO "crashkernel allocation "
- "failed\n");
- return;
- }
- crash_base = __pa(vp);
- } else if (reserve_bootmem(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)(free_mem >> 20));
- crashk_res.start = crash_base;
- crashk_res.end = crash_base + crash_size - 1;
- insert_resource(&iomem_resource, &crashk_res);
- }
-}
-#else
-static inline void __init reserve_crashkernel(void)
-{}
-#endif
-
static void __init check_for_initrd(void)
{
#ifdef CONFIG_BLK_DEV_INITRD