diff options
| author | Christoph Lameter <clameter@sgi.com> | 2007-02-10 01:43:11 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-11 10:51:18 -0800 |
| commit | 09ae1f585e9def652cdb1d0484611d4f4dc2d5fd (patch) | |
| tree | d759e739ae0a8ba72f20938d5ac8c19dac76acba /arch/ia64/mm/contig.c | |
| parent | 4b51d66989218aad731a721b5b28c79bf5388c09 (diff) | |
[PATCH] optional ZONE_DMA: optional ZONE_DMA for ia64
ZONE_DMA less operation for IA64 SGI platform
Disable ZONE_DMA for SGI SN2. All memory is addressable by all devices and we
do not need any special memory pool.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/ia64/mm/contig.c')
| -rw-r--r-- | arch/ia64/mm/contig.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c index 63e6d49c5813..ca4d41e5f177 100644 --- a/arch/ia64/mm/contig.c +++ b/arch/ia64/mm/contig.c @@ -259,9 +259,11 @@ paging_init (void) num_physpages = 0; efi_memmap_walk(count_pages, &num_physpages); - max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT; memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); +#ifdef CONFIG_ZONE_DMA + max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT; max_zone_pfns[ZONE_DMA] = max_dma; +#endif max_zone_pfns[ZONE_NORMAL] = max_low_pfn; #ifdef CONFIG_VIRTUAL_MEM_MAP |