Linux Kernel  3.7.1
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agp.h
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1 #ifndef _ASM_IA64_AGP_H
2 #define _ASM_IA64_AGP_H
3 
4 /*
5  * IA-64 specific AGP definitions.
6  *
7  * Copyright (C) 2002-2003 Hewlett-Packard Co
8  * David Mosberger-Tang <[email protected]>
9  */
10 
11 /*
12  * To avoid memory-attribute aliasing issues, we require that the AGPGART engine operate
13  * in coherent mode, which lets us map the AGP memory as normal (write-back) memory
14  * (unlike x86, where it gets mapped "write-coalescing").
15  */
16 #define map_page_into_agp(page) /* nothing */
17 #define unmap_page_from_agp(page) /* nothing */
18 #define flush_agp_cache() mb()
19 
20 /* GATT allocation. Returns/accepts GATT kernel virtual address. */
21 #define alloc_gatt_pages(order) \
22  ((char *)__get_free_pages(GFP_KERNEL, (order)))
23 #define free_gatt_pages(table, order) \
24  free_pages((unsigned long)(table), (order))
25 
26 #endif /* _ASM_IA64_AGP_H */