kcore: register vmalloc area in generic way

For /proc/kcore, vmalloc areas are registered per arch.  But, all of them
registers same range of [VMALLOC_START...VMALLOC_END) This patch unifies
them.  By this.  archs which have no kclist_add() hooks can see vmalloc
area correctly.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 2 insertions, 6 deletions

diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 2cbc40112932..7108678ca9bc 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -857,7 +857,7 @@ static void __init test_wp_bit(void)
         }
 }
 
-static struct kcore_list kcore_mem, kcore_vmalloc;
+static struct kcore_list kcore_mem;
 
 void __init mem_init(void)
 {
@@ -887,8 +887,6 @@ void __init mem_init(void)
         initsize =  (unsigned long) &__init_end - (unsigned long) &__init_begin;
 
         kclist_add(&kcore_mem, __va(0), max_low_pfn << PAGE_SHIFT, KCORE_RAM);
-        kclist_add(&kcore_vmalloc, (void *)VMALLOC_START,
-                   VMALLOC_END-VMALLOC_START, KCORE_VMALLOC);
 
         printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, "
                         "%dk reserved, %dk data, %dk init, %ldk highmem)\n",
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index c05810b614fe..da2cae7427a6 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -647,7 +647,7 @@ EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
 
 #endif /* CONFIG_MEMORY_HOTPLUG */
 
-static struct kcore_list kcore_mem, kcore_vmalloc, kcore_kernel,
+static struct kcore_list kcore_mem, kcore_kernel,
                          kcore_modules, kcore_vsyscall;
 
 void __init mem_init(void)
@@ -678,8 +678,6 @@ 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_vmalloc, (void *)VMALLOC_START,
-                   VMALLOC_END-VMALLOC_START, KCORE_VMALLOC);
         kclist_add(&kcore_kernel, &_stext, _end - _stext, KCORE_TEXT);
         kclist_add(&kcore_modules, (void *)MODULES_VADDR, MODULES_LEN,
                         KCORE_OTHER);