From: Christoph Lameter <clameter@sgi.com>
Date: Tue, 26 Sep 2006 06:31:14 +0000 (-0700)
Subject: [PATCH] reduce MAX_NR_ZONES: make ZONE_HIGHMEM optional
X-Git-Tag: v2.6.19-rc1~1203
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e53ef38d05dd59ed281a35590e4a5b64d8ff4c52;p=pandora-kernel.git

[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>
---

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