tree 42e525df84454e89abd6cab8d7983a6a0188b6bb
parent fb0e7942bdcbbd2f90e61cb4cfa4fa892a873f8a
author Christoph Lameter <clameter@sgi.com> 1159252274 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> 1159285726 -0700

[PATCH] reduce MAX_NR_ZONES: make ZONE_HIGHMEM optional

Make ZONE_HIGHMEM optional

- ifdef out code and definitions related to CONFIG_HIGHMEM

- __GFP_HIGHMEM falls back to normal allocations if there is no
  ZONE_HIGHMEM

- GFP_ZONEMASK becomes 0x01 if there is no DMA32 and no HIGHMEM
  zone.

[jdike@addtoit.com: build fix]
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Christoph Lameter <clameter@engr.sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>