mm: vmalloc: pass proper vm_start into debugobjects

Client can call vunmap with some intermediate 'addr' which may not be
the start of the VM area.  Entire unmap code works with vm->vm_start
which is proper but debug object API is called with 'addr'.  This could
be a problem within debug objects.

Pass proper start address into debug object API.

[[email protected]: fix warning]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Chintan Pandya <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Cc: Ard Biesheuvel <[email protected]>
Cc: Byungchul Park <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Florian Fainelli <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Laura Abbott <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Cc: Wei Yang <[email protected]>
Cc: Yisheng Xie <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions