diff options
author | Dmitry Torokhov <dtor@insightbb.com> | 2007-05-01 00:24:54 -0400 |
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committer | Dmitry Torokhov <dtor@insightbb.com> | 2007-05-01 00:24:54 -0400 |
commit | bc95f3669f5e6f63cf0b84fe4922c3c6dd4aa775 (patch) | |
tree | 427fcf2a7287c16d4b5aa6cbf494d59579a6a8b1 /arch/ia64/kernel/efi.c | |
parent | 3d29cdff999c37b3876082278a8134a0642a02cd (diff) | |
parent | dc87c3985e9b442c60994308a96f887579addc39 (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/usb/input/Makefile
drivers/usb/input/gtco.c
Diffstat (limited to 'arch/ia64/kernel/efi.c')
-rw-r--r-- | arch/ia64/kernel/efi.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c index 772ba6fe110..f45f91d38ca 100644 --- a/arch/ia64/kernel/efi.c +++ b/arch/ia64/kernel/efi.c @@ -21,6 +21,7 @@ * Skip non-WB memory and ignore empty memory ranges. */ #include <linux/module.h> +#include <linux/bootmem.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/types.h> @@ -970,6 +971,11 @@ efi_memmap_init(unsigned long *s, unsigned long *e) if (!is_memory_available(md)) continue; +#ifdef CONFIG_CRASH_DUMP + /* saved_max_pfn should ignore max_addr= command line arg */ + if (saved_max_pfn < (efi_md_end(md) >> PAGE_SHIFT)) + saved_max_pfn = (efi_md_end(md) >> PAGE_SHIFT); +#endif /* * Round ends inward to granule boundaries * Give trimmings to uncached allocator @@ -1136,7 +1142,7 @@ efi_initialize_iomem_resources(struct resource *code_resource, /* find a block of memory aligned to 64M exclude reserved regions rsvd_regions are sorted */ -unsigned long +unsigned long __init kdump_find_rsvd_region (unsigned long size, struct rsvd_region *r, int n) { @@ -1177,3 +1183,33 @@ kdump_find_rsvd_region (unsigned long size, return ~0UL; } #endif + +#ifdef CONFIG_PROC_VMCORE +/* locate the size find a the descriptor at a certain address */ +unsigned long +vmcore_find_descriptor_size (unsigned long address) +{ + void *efi_map_start, *efi_map_end, *p; + efi_memory_desc_t *md; + u64 efi_desc_size; + unsigned long ret = 0; + + efi_map_start = __va(ia64_boot_param->efi_memmap); + efi_map_end = efi_map_start + ia64_boot_param->efi_memmap_size; + efi_desc_size = ia64_boot_param->efi_memdesc_size; + + for (p = efi_map_start; p < efi_map_end; p += efi_desc_size) { + md = p; + if (efi_wb(md) && md->type == EFI_LOADER_DATA + && md->phys_addr == address) { + ret = efi_md_size(md); + break; + } + } + + if (ret == 0) + printk(KERN_WARNING "Cannot locate EFI vmcore descriptor\n"); + + return ret; +} +#endif |