android_kernel_xiaomi_sm8350/include/asm-s390/mmu.h
Martin Schwidefsky 6252d702c5 [S390] dynamic page tables.
Add support for different number of page table levels dependent
on the highest address used for a process. This will cause a 31 bit
process to use a two level page table instead of the four level page
table that is the default after the pud has been introduced. Likewise
a normal 64 bit process will use three levels instead of four. Only
if a process runs out of the 4 tera bytes which can be addressed with
a three level page table the fourth level is dynamically added. Then
the process can use up to 8 peta byte.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-02-09 18:24:41 +01:00

13 lines
201 B
C

#ifndef __MMU_H
#define __MMU_H
typedef struct {
struct list_head crst_list;
struct list_head pgtable_list;
unsigned long asce_bits;
unsigned long asce_limit;
int noexec;
} mm_context_t;
#endif