Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef __ASM_SH_PGTABLE_2LEVEL_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define __ASM_SH_PGTABLE_2LEVEL_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <asm-generic/pgtable-nopmd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * traditional two-level paging structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define PAGETABLE_LEVELS	2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) /* PTE bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define PTE_MAGNITUDE		2	/* 32-bit PTEs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define PTE_SHIFT		PAGE_SHIFT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define PTE_BITS		(PTE_SHIFT - PTE_MAGNITUDE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) /* PGD bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define PGDIR_SHIFT		(PTE_SHIFT + PTE_BITS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define PTRS_PER_PGD		(PAGE_SIZE / (1 << PTE_MAGNITUDE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define USER_PTRS_PER_PGD	(TASK_SIZE/PGDIR_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #endif /* __ASM_SH_PGTABLE_2LEVEL_H */