diff options
| author | Kumar Gala <galak@kernel.crashing.org> | 2007-02-12 23:52:26 -0600 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2007-02-12 23:52:26 -0600 |
| commit | 7baca6ad0ef09c8a78d798c93a3ce25336e8f50f (patch) | |
| tree | f3dd43243be6e840dc2b0386e91c4146a4f51620 /arch/sh/mm/init.c | |
| parent | 06d8bf64ba25db42fcc60d2da2268ac22af94e77 (diff) | |
| parent | 17e0e27020d028a790d97699aff85a43af5be472 (diff) | |
Merge branch 'master' into for_paulus
Diffstat (limited to 'arch/sh/mm/init.c')
| -rw-r--r-- | arch/sh/mm/init.c | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 29bd37b1488e..bf0c263cb6fd 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -158,7 +158,6 @@ void __init paging_init(void) * Setup some defaults for the zone sizes.. these should be safe * regardless of distcontiguous memory or MMU settings. */ - zones_size[ZONE_DMA] = 0 >> PAGE_SHIFT; zones_size[ZONE_NORMAL] = __MEMORY_SIZE >> PAGE_SHIFT; #ifdef CONFIG_HIGHMEM zones_size[ZONE_HIGHMEM] = 0 >> PAGE_SHIFT; @@ -170,8 +169,6 @@ void __init paging_init(void) * the zone sizes accordingly, in addition to turning it on. */ { - unsigned long max_dma, low, start_pfn; - /* We don't need to map the kernel through the TLB, as * it is permanatly mapped using P1. So clear the * entire pgd. */ @@ -179,19 +176,7 @@ void __init paging_init(void) /* Turn on the MMU */ enable_mmu(); - - /* Fixup the zone sizes */ - start_pfn = START_PFN; - max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT; - low = MAX_LOW_PFN; - - if (low < max_dma) { - zones_size[ZONE_DMA] = low - start_pfn; - zones_size[ZONE_NORMAL] = 0; - } else { - zones_size[ZONE_DMA] = max_dma - start_pfn; - zones_size[ZONE_NORMAL] = low - max_dma; - } + zones_size[ZONE_NORMAL] = MAX_LOW_PFN - START_PFN; } /* Set an initial value for the MMU.TTB so we don't have to |