/* * Copyright (C) 1999 Gerhard Wichert, Siemens AG * Gerhard.Wichert@pdb.siemens.de * Copyright 2010 Tilera Corporation. All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation, version 2. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or * NON INFRINGEMENT. See the GNU General Public License for * more details. * * Used in CONFIG_HIGHMEM systems for memory pages which * are not addressable by direct kernel virtual addresses. * */ #ifndef _ASM_TILE_HIGHMEM_H #define _ASM_TILE_HIGHMEM_H #include <linux/interrupt.h> #include <linux/threads.h> #include <asm/tlbflush.h> #include <asm/homecache.h> /* declarations for highmem.c */ extern unsigned long highstart_pfn, highend_pfn; extern pte_t *pkmap_page_table; /* * Ordering is: * * FIXADDR_TOP * fixed_addresses * FIXADDR_START * temp fixed addresses * FIXADDR_BOOT_START * Persistent kmap area * PKMAP_BASE * VMALLOC_END * Vmalloc area * VMALLOC_START * high_memory */ #define LAST_PKMAP_MASK (LAST_PKMAP-1) #define PKMAP_NR(virt) ((virt-PKMAP_BASE) >> PAGE_SHIFT) #define PKMAP_ADDR(nr) (PKMAP_BASE + ((nr) << PAGE_SHIFT)) void *kmap_high(struct page *page); void kunmap_high(struct page *page); void *kmap(struct page *page); void kunmap(struct page *page); void *kmap_fix_kpte(struct page *page, int finished); /* This macro is used only in map_new_virtual() to map "page". */ #define kmap_prot page_to_kpgprot(page) void *kmap_atomic(struct page *page); void __kunmap_atomic(void *kvaddr); void *kmap_atomic_pfn(unsigned long pfn); void *kmap_atomic_prot_pfn(unsigned long pfn, pgprot_t prot); void *kmap_atomic_prot(struct page *page, pgprot_t prot); void kmap_atomic_fix_kpte(struct page *page, int finished); #define flush_cache_kmaps() do { } while (0) #endif /* _ASM_TILE_HIGHMEM_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp | |
| chris metcalf | chris metcalf | 168 | 93.85% | 1 | 33.33% |
| peter zijlstra | peter zijlstra | 10 | 5.59% | 1 | 33.33% |
| americo wang | americo wang | 1 | 0.56% | 1 | 33.33% |
| Total | 179 | 100.00% | 3 | 100.00% |