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_HUGETLB_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _ASM_SH_HUGETLB_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <asm/cacheflush.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <asm/page.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * If the arch doesn't supply something else, assume that hugepage
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * size aligned regions are ok without further preparation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) static inline int prepare_hugepage_range(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 			unsigned long addr, unsigned long len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	if (len & ~HPAGE_MASK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	if (addr & ~HPAGE_MASK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 					 unsigned long addr, pte_t *ptep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static inline void arch_clear_hugepage_flags(struct page *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	clear_bit(PG_dcache_clean, &page->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define arch_clear_hugepage_flags arch_clear_hugepage_flags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #include <asm-generic/hugetlb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #endif /* _ASM_SH_HUGETLB_H */