diff options
Diffstat (limited to 'arch/x86/mm/pat_internal.h')
| -rw-r--r-- | arch/x86/mm/pat_internal.h | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/arch/x86/mm/pat_internal.h b/arch/x86/mm/pat_internal.h deleted file mode 100644 index 79a06684349e..000000000000 --- a/arch/x86/mm/pat_internal.h +++ /dev/null @@ -1,49 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __PAT_INTERNAL_H_ -#define __PAT_INTERNAL_H_ - -extern int pat_debug_enable; - -#define dprintk(fmt, arg...) \ - do { if (pat_debug_enable) pr_info("x86/PAT: " fmt, ##arg); } while (0) - -struct memtype { - u64 start; - u64 end; - u64 subtree_max_end; - enum page_cache_mode type; - struct rb_node rb; -}; - -static inline char *cattr_name(enum page_cache_mode pcm) -{ - switch (pcm) { - case _PAGE_CACHE_MODE_UC: return "uncached"; - case _PAGE_CACHE_MODE_UC_MINUS: return "uncached-minus"; - case _PAGE_CACHE_MODE_WB: return "write-back"; - case _PAGE_CACHE_MODE_WC: return "write-combining"; - case _PAGE_CACHE_MODE_WT: return "write-through"; - case _PAGE_CACHE_MODE_WP: return "write-protected"; - default: return "broken"; - } -} - -#ifdef CONFIG_X86_PAT -extern int memtype_check_insert(struct memtype *new, - enum page_cache_mode *new_type); -extern struct memtype *memtype_erase(u64 start, u64 end); -extern struct memtype *memtype_lookup(u64 addr); -extern int memtype_copy_nth_element(struct memtype *out, loff_t pos); -#else -static inline int memtype_check_insert(struct memtype *new, - enum page_cache_mode *new_type) -{ return 0; } -static inline struct memtype *memtype_erase(u64 start, u64 end) -{ return NULL; } -static inline struct memtype *memtype_lookup(u64 addr) -{ return NULL; } -static inline int memtype_copy_nth_element(struct memtype *out, loff_t pos) -{ return 0; } -#endif - -#endif /* __PAT_INTERNAL_H_ */ |