1 // SPDX-License-Identifier: GPL-2.0
20  * If the bit selected by single-bit bitmask "a" is set within "x", move
21  * it to the position indicated by single-bit bitmask "b".
32 	 * empty			010.000000.0 -> 00..0...1...00  in __pte_to_rste()
33 	 * prot-none, clean, old	111.000000.1 -> 00..1...1...00  in __pte_to_rste()
34 	 * prot-none, clean, young	111.000001.1 -> 01..1...1...00  in __pte_to_rste()
35 	 * prot-none, dirty, old	111.000010.1 -> 10..1...1...00  in __pte_to_rste()
36 	 * prot-none, dirty, young	111.000011.1 -> 11..1...1...00  in __pte_to_rste()
37 	 * read-only, clean, old	111.000100.1 -> 00..1...1...01  in __pte_to_rste()
38 	 * read-only, clean, young	101.000101.1 -> 01..1...0...01  in __pte_to_rste()
39 	 * read-only, dirty, old	111.000110.1 -> 10..1...1...01  in __pte_to_rste()
40 	 * read-only, dirty, young	101.000111.1 -> 11..1...0...01  in __pte_to_rste()
41 	 * read-write, clean, old	111.001100.1 -> 00..1...1...11  in __pte_to_rste()
42 	 * read-write, clean, young	101.001101.1 -> 01..1...0...11  in __pte_to_rste()
43 	 * read-write, dirty, old	110.001110.1 -> 10..0...1...11  in __pte_to_rste()
44 	 * read-write, dirty, young	100.001111.1 -> 11..0...0...11  in __pte_to_rste()
45 	 * HW-bits: R read-only, I invalid  in __pte_to_rste()
46 	 * SW-bits: p present, y young, d dirty, r read, w write, s special,  in __pte_to_rste()
87 	 * empty			00..0...1...00 -> 010.000000.0  in __rste_to_pte()
88 	 * prot-none, clean, old	00..1...1...00 -> 111.000000.1  in __rste_to_pte()
89 	 * prot-none, clean, young	01..1...1...00 -> 111.000001.1  in __rste_to_pte()
90 	 * prot-none, dirty, old	10..1...1...00 -> 111.000010.1  in __rste_to_pte()
91 	 * prot-none, dirty, young	11..1...1...00 -> 111.000011.1  in __rste_to_pte()
92 	 * read-only, clean, old	00..1...1...01 -> 111.000100.1  in __rste_to_pte()
93 	 * read-only, clean, young	01..1...0...01 -> 101.000101.1  in __rste_to_pte()
94 	 * read-only, dirty, old	10..1...1...01 -> 111.000110.1  in __rste_to_pte()
95 	 * read-only, dirty, young	11..1...0...01 -> 101.000111.1  in __rste_to_pte()
96 	 * read-write, clean, old	00..1...1...11 -> 111.001100.1  in __rste_to_pte()
97 	 * read-write, clean, young	01..1...0...11 -> 101.001101.1  in __rste_to_pte()
98 	 * read-write, dirty, old	10..0...1...11 -> 110.001110.1  in __rste_to_pte()
99 	 * read-write, dirty, young	11..0...0...11 -> 100.001111.1  in __rste_to_pte()
100 	 * HW-bits: R read-only, I invalid  in __rste_to_pte()
101 	 * SW-bits: p present, y young, d dirty, r read, w write, s special,  in __rste_to_pte()
141 	if (!test_and_set_bit(PG_arch_1, &page->flags))  in clear_huge_pte_skeys()
142 		__storage_key_init_range(paddr, paddr + size - 1);  in clear_huge_pte_skeys()
265 	info.low_limit = current->mm->mmap_base;  in hugetlb_get_unmapped_area_bottomup()
283 	info.high_limit = current->mm->mmap_base;  in hugetlb_get_unmapped_area_topdown()
290 	 * so fall back to the bottom-up function here. This scenario  in hugetlb_get_unmapped_area_topdown()
295 		VM_BUG_ON(addr != -ENOMEM);  in hugetlb_get_unmapped_area_topdown()
309 	struct mm_struct *mm = current->mm;  in hugetlb_get_unmapped_area()
313 		return -EINVAL;  in hugetlb_get_unmapped_area()
314 	if (len > TASK_SIZE - mmap_min_addr)  in hugetlb_get_unmapped_area()
315 		return -ENOMEM;  in hugetlb_get_unmapped_area()
319 			return -EINVAL;  in hugetlb_get_unmapped_area()
326 		if (TASK_SIZE - len >= addr && addr >= mmap_min_addr &&  in hugetlb_get_unmapped_area()
331 	if (mm->get_unmapped_area == arch_get_unmapped_area)  in hugetlb_get_unmapped_area()