diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 011a1cdf0eb53d4c97c39427bd1f0461690a6e79..6851e52ed5a23d924d3d536460e209092fd8d049 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -500,6 +500,10 @@ config HAVE_ARCH_NODEDATA_EXTENSION def_bool y depends on NUMA +config ARCH_PROC_KCORE_TEXT + def_bool y + depends on PROC_KCORE + config IA32_SUPPORT bool "Support for Linux/x86 binaries" help diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index 286b98aa8547558b583cbc437681bd0ed3784565..3f95ea1d6fb68920b5edf77123e7c43c24d6ac13 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -617,7 +617,7 @@ mem_init (void) long reserved_pages, codesize, datasize, initsize; pg_data_t *pgdat; int i; - static struct kcore_list kcore_mem, kcore_kernel; + static struct kcore_list kcore_mem; BUG_ON(PTRS_PER_PGD * sizeof(pgd_t) != PAGE_SIZE); BUG_ON(PTRS_PER_PMD * sizeof(pmd_t) != PAGE_SIZE); @@ -640,7 +640,6 @@ mem_init (void) high_memory = __va(max_low_pfn * PAGE_SIZE); kclist_add(&kcore_mem, __va(0), max_low_pfn * PAGE_SIZE, KCORE_RAM); - kclist_add(&kcore_kernel, _stext, _end - _stext, KCORE_TEXT); for_each_online_pgdat(pgdat) if (pgdat->bdata->node_bootmem_map) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index e4ff5d1280ca826bba1d0d640052acda2cb3ce92..7c7a54bed4a6e6cda3e2f82a14d484c86c59372f 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1204,6 +1204,10 @@ config ARCH_DISCONTIGMEM_DEFAULT def_bool y depends on NUMA && X86_32 +config ARCH_PROC_KCORE_TEXT + def_bool y + depends on X86_64 && PROC_KCORE + config ARCH_SPARSEMEM_DEFAULT def_bool y depends on X86_64 diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index da2cae7427a6a946ffb0d7a7cfffa5dd986c8951..a0c2efb10cbef75b1b1d4d1ac0e0479abc784697 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -647,8 +647,7 @@ EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid); #endif /* CONFIG_MEMORY_HOTPLUG */ -static struct kcore_list kcore_mem, kcore_kernel, - kcore_modules, kcore_vsyscall; +static struct kcore_list kcore_mem, kcore_modules, kcore_vsyscall; void __init mem_init(void) { @@ -678,7 +677,6 @@ void __init mem_init(void) /* Register memory areas for /proc/kcore */ kclist_add(&kcore_mem, __va(0), max_low_pfn << PAGE_SHIFT, KCORE_RAM); - kclist_add(&kcore_kernel, &_stext, _end - _stext, KCORE_TEXT); kclist_add(&kcore_modules, (void *)MODULES_VADDR, MODULES_LEN, KCORE_OTHER); kclist_add(&kcore_vsyscall, (void *)VSYSCALL_START, diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c index e10d360110bdf4e84fcc484972b18f6e611c6a5a..fdde1cc78392cf92040c357e86271c15f4992459 100644 --- a/fs/proc/kcore.c +++ b/fs/proc/kcore.c @@ -21,6 +21,7 @@ #include #include #include +#include #define CORE_STR "CORE" @@ -374,10 +375,26 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos) static struct kcore_list kcore_vmalloc; +#ifdef CONFIG_ARCH_PROC_KCORE_TEXT +static struct kcore_list kcore_text; +/* + * If defined, special segment is used for mapping kernel text instead of + * direct-map area. We need to create special TEXT section. + */ +static void __init proc_kcore_text_init(void) +{ + kclist_add(&kcore_text, _stext, _end - _stext, KCORE_TEXT); +} +#else +static void __init proc_kcore_text_init(void) +{ +} +#endif + static int __init proc_kcore_init(void) { proc_root_kcore = proc_create("kcore", S_IRUSR, NULL, &proc_kcore_operations); - + proc_kcore_text_init(); kclist_add(&kcore_vmalloc, (void *)VMALLOC_START, VMALLOC_END - VMALLOC_START, KCORE_VMALLOC); return 0;