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| author | Ingo Molnar <mingo@elte.hu> | 2010-05-20 14:38:55 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-05-20 14:38:55 +0200 |
| commit | dfacc4d6c98b89609250269f518c1f54c30454ef (patch) | |
| tree | e7effbee7bdc85d18f7b26ab9cb5c9f700d1481a /arch/x86/mm/pat_internal.h | |
| parent | perf session: Make read_build_id routines look at the host_machine too (diff) | |
| parent | perf: Fix unaligned accesses while fetching trace values (diff) | |
| download | linux-dfacc4d6c98b89609250269f518c1f54c30454ef.tar.xz linux-dfacc4d6c98b89609250269f518c1f54c30454ef.zip | |
Merge branch 'perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing into perf/core
Diffstat (limited to 'arch/x86/mm/pat_internal.h')
| -rw-r--r-- | arch/x86/mm/pat_internal.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/x86/mm/pat_internal.h b/arch/x86/mm/pat_internal.h new file mode 100644 index 000000000000..4f39eefa3e61 --- /dev/null +++ b/arch/x86/mm/pat_internal.h @@ -0,0 +1,46 @@ +#ifndef __PAT_INTERNAL_H_ +#define __PAT_INTERNAL_H_ + +extern int pat_debug_enable; + +#define dprintk(fmt, arg...) \ + do { if (pat_debug_enable) printk(KERN_INFO fmt, ##arg); } while (0) + +struct memtype { + u64 start; + u64 end; + u64 subtree_max_end; + unsigned long type; + struct rb_node rb; +}; + +static inline char *cattr_name(unsigned long flags) +{ + switch (flags & _PAGE_CACHE_MASK) { + case _PAGE_CACHE_UC: return "uncached"; + case _PAGE_CACHE_UC_MINUS: return "uncached-minus"; + case _PAGE_CACHE_WB: return "write-back"; + case _PAGE_CACHE_WC: return "write-combining"; + default: return "broken"; + } +} + +#ifdef CONFIG_X86_PAT +extern int rbt_memtype_check_insert(struct memtype *new, + unsigned long *new_type); +extern int rbt_memtype_erase(u64 start, u64 end); +extern struct memtype *rbt_memtype_lookup(u64 addr); +extern int rbt_memtype_copy_nth_element(struct memtype *out, loff_t pos); +#else +static inline int rbt_memtype_check_insert(struct memtype *new, + unsigned long *new_type) +{ return 0; } +static inline int rbt_memtype_erase(u64 start, u64 end) +{ return 0; } +static inline struct memtype *rbt_memtype_lookup(u64 addr) +{ return NULL; } +static inline int rbt_memtype_copy_nth_element(struct memtype *out, loff_t pos) +{ return 0; } +#endif + +#endif /* __PAT_INTERNAL_H_ */ |