| #ifndef _ASM_IA64_SCATTERLIST_H |
| #define _ASM_IA64_SCATTERLIST_H |
| |
| #include <asm-generic/scatterlist.h> |
| /* |
| * It used to be that ISA_DMA_THRESHOLD had something to do with the |
| * DMA-limits of ISA-devices. Nowadays, its only remaining use (apart |
| * from the aha1542.c driver, which isn't 64-bit clean anyhow) is to |
| * tell the block-layer (via BLK_BOUNCE_ISA) what the max. physical |
| * address of a page is that is allocated with GFP_DMA. On IA-64, |
| * that's 4GB - 1. |
| */ |
| #define ISA_DMA_THRESHOLD 0xffffffff |
| #define ARCH_HAS_SG_CHAIN |
| |
| #endif /* _ASM_IA64_SCATTERLIST_H */ |
