forked from Minki/linux
0c3c8a1836
/dev/mem mmap code was doing memtype reserve/free for a while now. Recently we added memtype tracking in remap_pfn_range, and /dev/mem mmap uses it indirectly. So, we don't need seperate tracking in /dev/mem code any more. That means another ~100 lines of code removed :-). Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> LKML-Reference: <20090409212709.085210000@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
23 lines
485 B
C
23 lines
485 B
C
#ifndef _ASM_X86_PAT_H
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#define _ASM_X86_PAT_H
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#include <linux/types.h>
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#include <asm/pgtable_types.h>
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#ifdef CONFIG_X86_PAT
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extern int pat_enabled;
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#else
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static const int pat_enabled;
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#endif
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extern void pat_init(void);
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extern int reserve_memtype(u64 start, u64 end,
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unsigned long req_type, unsigned long *ret_type);
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extern int free_memtype(u64 start, u64 end);
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extern int kernel_map_sync_memtype(u64 base, unsigned long size,
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unsigned long flag);
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#endif /* _ASM_X86_PAT_H */
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