mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
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
|
|
#define _ASM_X86_PAT_H
|
|
|
|
#include <linux/types.h>
|
|
#include <asm/pgtable_types.h>
|
|
|
|
#ifdef CONFIG_X86_PAT
|
|
extern int pat_enabled;
|
|
#else
|
|
static const int pat_enabled;
|
|
#endif
|
|
|
|
extern void pat_init(void);
|
|
|
|
extern int reserve_memtype(u64 start, u64 end,
|
|
unsigned long req_type, unsigned long *ret_type);
|
|
extern int free_memtype(u64 start, u64 end);
|
|
|
|
extern int kernel_map_sync_memtype(u64 base, unsigned long size,
|
|
unsigned long flag);
|
|
|
|
#endif /* _ASM_X86_PAT_H */
|