diff options
Diffstat (limited to 'arch/x86/mm/dump_pagetables.c')
-rw-r--r-- | arch/x86/mm/dump_pagetables.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c index 99bfb1928..ea9c49ada 100644 --- a/arch/x86/mm/dump_pagetables.c +++ b/arch/x86/mm/dump_pagetables.c @@ -14,7 +14,7 @@ #include <linux/debugfs.h> #include <linux/mm.h> -#include <linux/module.h> +#include <linux/init.h> #include <linux/seq_file.h> #include <asm/pgtable.h> @@ -72,9 +72,9 @@ static struct addr_marker address_markers[] = { { 0, "User Space" }, #ifdef CONFIG_X86_64 { 0x8000000000000000UL, "Kernel Space" }, - { PAGE_OFFSET, "Low Kernel Mapping" }, - { VMALLOC_START, "vmalloc() Area" }, - { VMEMMAP_START, "Vmemmap" }, + { 0/* PAGE_OFFSET */, "Low Kernel Mapping" }, + { 0/* VMALLOC_START */, "vmalloc() Area" }, + { 0/* VMEMMAP_START */, "Vmemmap" }, # ifdef CONFIG_X86_ESPFIX64 { ESPFIX_BASE_ADDR, "ESPfix Area", 16 }, # endif @@ -434,8 +434,16 @@ void ptdump_walk_pgd_level_checkwx(void) static int __init pt_dump_init(void) { + /* + * Various markers are not compile-time constants, so assign them + * here. + */ +#ifdef CONFIG_X86_64 + address_markers[LOW_KERNEL_NR].start_address = PAGE_OFFSET; + address_markers[VMALLOC_START_NR].start_address = VMALLOC_START; + address_markers[VMEMMAP_START_NR].start_address = VMEMMAP_START; +#endif #ifdef CONFIG_X86_32 - /* Not a compile-time constant on x86-32 */ address_markers[VMALLOC_START_NR].start_address = VMALLOC_START; address_markers[VMALLOC_END_NR].start_address = VMALLOC_END; # ifdef CONFIG_HIGHMEM @@ -446,8 +454,4 @@ static int __init pt_dump_init(void) return 0; } - __initcall(pt_dump_init); -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Arjan van de Ven <arjan@linux.intel.com>"); -MODULE_DESCRIPTION("Kernel debugging helper that dumps pagetables"); |