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authorAtsushi Kumagai <kumagai-atsushi@mxc.nes.nec.co.jp>2013-04-29 15:07:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 15:54:34 -0700
commit13ba3fcbbe31068b1ee7c39a0b58ecbed03c4d72 (patch)
tree07991835bdf224ec3d4fcc1ce630d4b8c08b1c41 /mm
parent4341fa454796b8a37efd5db98112524e85e7114e (diff)
kexec, vmalloc: export additional vmalloc layer information
Now, vmap_area_list is exported as VMCOREINFO for makedumpfile to get the start address of vmalloc region (vmalloc_start). The address which contains vmalloc_start value is represented as below: vmap_area_list.next - OFFSET(vmap_area.list) + OFFSET(vmap_area.va_start) However, both OFFSET(vmap_area.va_start) and OFFSET(vmap_area.list) aren't exported as VMCOREINFO. So this patch exports them externally with small cleanup. [akpm@linux-foundation.org: vmalloc.h should include list.h for list_head] Signed-off-by: Atsushi Kumagai <kumagai-atsushi@mxc.nes.nec.co.jp> Cc: Joonsoo Kim <js1304@gmail.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Atsushi Kumagai <kumagai-atsushi@mxc.nes.nec.co.jp> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Dave Anderson <anderson@redhat.com> Cc: Eric Biederman <ebiederm@xmission.com> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Cc: Ingo Molnar <mingo@kernel.org> Cc: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/vmalloc.c11
1 files changed, 0 insertions, 11 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 151da8ac53fa..72043d6c88c0 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -249,17 +249,6 @@ EXPORT_SYMBOL(vmalloc_to_pfn);
#define VM_LAZY_FREEING 0x02
#define VM_VM_AREA 0x04
-struct vmap_area {
- unsigned long va_start;
- unsigned long va_end;
- unsigned long flags;
- struct rb_node rb_node; /* address sorted rbtree */
- struct list_head list; /* address sorted list */
- struct list_head purge_list; /* "lazy purge" list */
- struct vm_struct *vm;
- struct rcu_head rcu_head;
-};
-
static DEFINE_SPINLOCK(vmap_area_lock);
/* Export for kexec only */
LIST_HEAD(vmap_area_list);