diff options
Diffstat (limited to 'packages/linux/nslu2-kernel/2.6.15/00-memory-h-page-shift.patch')
| -rw-r--r-- | packages/linux/nslu2-kernel/2.6.15/00-memory-h-page-shift.patch | 74 |
1 files changed, 66 insertions, 8 deletions
diff --git a/packages/linux/nslu2-kernel/2.6.15/00-memory-h-page-shift.patch b/packages/linux/nslu2-kernel/2.6.15/00-memory-h-page-shift.patch index 29b048e27a..4ec8f0475f 100644 --- a/packages/linux/nslu2-kernel/2.6.15/00-memory-h-page-shift.patch +++ b/packages/linux/nslu2-kernel/2.6.15/00-memory-h-page-shift.patch @@ -1,10 +1,68 @@ ---- linux-2.6.15/include/asm-arm/arch-ixp4xx/memory.h 1970-01-01 00:00:00.000000000 +0000 -+++ linux-2.6.15/include/asm-arm/arch-ixp4xx/memory.h 1970-01-01 00:00:00.000000000 +0000 -@@ -8,6 +8,7 @@ - #define __ASM_ARCH_MEMORY_H +--- linux-2.6.15-rc7/include/asm-arm/arch-ixp4xx/memory.h~ 2005-12-30 05:18:27.000000000 +1030 ++++ linux-2.6.15-rc7/include/asm-arm/arch-ixp4xx/memory.h 2005-12-30 05:36:04.000000000 +1030 +@@ -16,31 +16,10 @@ - #include <asm/sizes.h> -+#include <asm/page.h> + #ifndef __ASSEMBLY__ - /* - * Physical DRAM offset. +-/* +- * Only first 64MB of memory can be accessed via PCI. +- * We use GFP_DMA to allocate safe buffers to do map/unmap. +- * This is really ugly and we need a better way of specifying +- * DMA-capable regions of memory. +- */ +-static inline void __arch_adjust_zones(int node, unsigned long *zone_size, +- unsigned long *zhole_size) +-{ +- unsigned int sz = SZ_64M >> PAGE_SHIFT; +- +- /* +- * Only adjust if > 64M on current system +- */ +- if (node || (zone_size[0] <= sz)) +- return; +- +- zone_size[1] = zone_size[0] - sz; +- zone_size[0] = sz; +- zhole_size[1] = zhole_size[0]; +- zhole_size[0] = 0; +-} ++void ixp4xx_adjust_zones(int node, unsigned long *size, unsigned long *holes); + + #define arch_adjust_zones(node, size, holes) \ +- __arch_adjust_zones(node, size, holes) ++ ixp4xx_adjust_zones(node, size, holes) + + #define ISA_DMA_THRESHOLD (SZ_64M - 1) + +--- linux-2.6.15-rc7/arch/arm/mach-ixp4xx/common-pci.c~ 2005-12-30 05:16:03.000000000 +1030 ++++ linux-2.6.15-rc7/arch/arm/mach-ixp4xx/common-pci.c 2005-12-30 05:43:55.000000000 +1030 +@@ -341,6 +341,29 @@ int dma_needs_bounce(struct device *dev, + return (dev->bus == &pci_bus_type ) && ((dma_addr + size) >= SZ_64M); + } + ++/* ++ * Only first 64MB of memory can be accessed via PCI. ++ * We use GFP_DMA to allocate safe buffers to do map/unmap. ++ * This is really ugly and we need a better way of specifying ++ * DMA-capable regions of memory. ++ */ ++void __init ixp4xx_adjust_zones(int node, unsigned long *zone_size, ++ unsigned long *zhole_size) ++{ ++ unsigned int sz = SZ_64M >> PAGE_SHIFT; ++ ++ /* ++ * Only adjust if > 64M on current system ++ */ ++ if (node || (zone_size[0] <= sz)) ++ return; ++ ++ zone_size[1] = zone_size[0] - sz; ++ zone_size[0] = sz; ++ zhole_size[1] = zhole_size[0]; ++ zhole_size[0] = 0; ++} ++ + void __init ixp4xx_pci_preinit(void) + { + unsigned long processor_id; |