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gerrit-public.fairphone.software / kernel / msm-4.9 / 1aaf74e919be54be0023c3124923fb537c7fb772 / . / include / asm-powerpc / page_32.h
blob: 17110aff26e708c242d9d2fd3855d5d48aea204f [file] [log] [blame]
Michael Ellerman5cd16ee2005-11-11 14:25:24 +1100[diff] [blame]1#ifndef _ASM_POWERPC_PAGE_32_H
2#define _ASM_POWERPC_PAGE_32_H
Arnd Bergmann88ced032005-12-16 22:43:46 +0100[diff] [blame]3#ifdef __KERNEL__
Michael Ellerman5cd16ee2005-11-11 14:25:24 +1100[diff] [blame]4
5#define VM_DATA_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS32
6
Paul Mackerras493f25e2005-11-14 17:32:50 +1100[diff] [blame]7#define PPC_MEMSTART 0
8
Benjamin Herrenschmidt52142e72007-11-19 19:25:06 +1100[diff] [blame]9#ifdef CONFIG_NOT_COHERENT_CACHE
10#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
11#endif
12
Michael Ellerman5cd16ee2005-11-11 14:25:24 +1100[diff] [blame]13#ifndef __ASSEMBLY__
14/*
15 * The basic type of a PTE - 64 bits for those CPUs with > 32 bit
16 * physical addressing. For now this just the IBM PPC440.
17 */
18#ifdef CONFIG_PTE_64BIT
19typedef unsigned long long pte_basic_t;
20#define PTE_SHIFT (PAGE_SHIFT - 3) /* 512 ptes per page */
Michael Ellerman5cd16ee2005-11-11 14:25:24 +1100[diff] [blame]21#else
22typedef unsigned long pte_basic_t;
23#define PTE_SHIFT (PAGE_SHIFT - 2) /* 1024 ptes per page */
Michael Ellerman5cd16ee2005-11-11 14:25:24 +1100[diff] [blame]24#endif
25
26struct page;
27extern void clear_pages(void *page, int order);
28static inline void clear_page(void *page) { clear_pages(page, 0); }
29extern void copy_page(void *to, void *from);
30
David Howellsef55d532006-12-08 02:37:53 -0800[diff] [blame]31#include <asm-generic/page.h>
Michael Ellerman5cd16ee2005-11-11 14:25:24 +1100[diff] [blame]32
33#endif /* __ASSEMBLY__ */
34
Arnd Bergmann88ced032005-12-16 22:43:46 +0100[diff] [blame]35#endif /* __KERNEL__ */
Michael Ellerman5cd16ee2005-11-11 14:25:24 +1100[diff] [blame]36#endif /* _ASM_POWERPC_PAGE_32_H */