diff options
| author | Nicolas Pitre <nico@cam.org> | 2008-10-07 20:14:55 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-10-09 21:29:46 +0100 |
| commit | 3bca103a1e658d23737d20e1989139d9ca8973bf (patch) | |
| tree | 672dcfde5a28cd0b2c4b06521f65413eab49750a /arch/arm/common | |
| parent | 000b50259271c9c14f6e175795f5164e1d51d35b (diff) | |
| download | linux-3bca103a1e658d23737d20e1989139d9ca8973bf.tar.bz2 | |
[ARM] 5295/1: make ZONE_DMA optional
Most ARM machines don't need a special "DMA" memory zone, and
when configured out, the kernel becomes a bit smaller:
| text data bss dec hex filename
|3826182 102384 111700 4040266 3da64a vmlinux
|3823593 101616 111700 4036909 3d992d vmlinux.nodmazone
This is because the system now has only one zone total which effect is
to optimize away many conditionals in page allocation paths.
So let's configure this zone only on machines that need split zones.
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/common')
| -rw-r--r-- | arch/arm/common/Kconfig | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig index 3e073467caca..2e32acca02fb 100644 --- a/arch/arm/common/Kconfig +++ b/arch/arm/common/Kconfig @@ -12,7 +12,8 @@ config ICST307 config SA1111 bool - select DMABOUNCE + select DMABOUNCE if !ARCH_PXA + select ZONE_DMA if !ARCH_PXA config DMABOUNCE bool |