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add a member pgshift into struct vm_range

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pgshift indicates a page size in the range.
This commit is contained in:
NAKAMURA Gou
2016-03-15 15:16:27 +09:00
parent 1a3bc851af
commit 261bddb999
4 changed files with 21 additions and 11 deletions
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4
kernel/include/process.h
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@ -298,6 +298,8 @@ struct vm_range {
unsigned long flag;
struct memobj *memobj;
off_t objoff;
int pgshift; /* page size. 0 means THP */
int padding;
};
struct vm_regions {
@ -588,7 +590,7 @@ int populate_process_memory(struct process_vm *vm, void *start, size_t len);
int add_process_memory_range(struct process_vm *vm,
unsigned long start, unsigned long end,
unsigned long phys, unsigned long flag,
struct memobj *memobj, off_t objoff);
struct memobj *memobj, off_t objoff, int pgshift);
int remove_process_memory_range(struct process_vm *vm, unsigned long start,
unsigned long end, int *ro_freedp);
int split_process_memory_range(struct process_vm *vm,