]> nv-tegra.nvidia Code Review - linux-2.6.git/commit
ppc64: SPARSEMEM_VMEMMAP support
authorAndy Whitcroft <apw@shadowen.org>
Tue, 16 Oct 2007 08:24:17 +0000 (01:24 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Tue, 16 Oct 2007 16:42:51 +0000 (09:42 -0700)
commitd29eff7bca60c9ee401d691d4562a4abca8de543
tree86715dfec0470a59d3bbad032b3032321f101766
parent46644c2477c58906e95281636d04e9cc42b39352
ppc64: SPARSEMEM_VMEMMAP support

Enable virtual memmap support for SPARSEMEM on PPC64 systems.  Slice a 16th
off the end of the linear mapping space and use that to hold the vmemmap.
Uses the same size mapping as uses in the linear 1:1 kernel mapping.

[pbadari@gmail.com: fix warning]
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Cc: Christoph Lameter <clameter@sgi.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/powerpc/Kconfig
arch/powerpc/mm/init_64.c
include/asm-powerpc/pgtable-ppc64.h