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".
33 	 * empty			010.000000.0 -> 00..0...1...00  in __pte_to_rste()
34 	 * prot-none, clean, old	111.000000.1 -> 00..1...1...00  in __pte_to_rste()
35 	 * prot-none, clean, young	111.000001.1 -> 01..1...1...00  in __pte_to_rste()
36 	 * prot-none, dirty, old	111.000010.1 -> 10..1...1...00  in __pte_to_rste()
37 	 * prot-none, dirty, young	111.000011.1 -> 11..1...1...00  in __pte_to_rste()
38 	 * read-only, clean, old	111.000100.1 -> 00..1...1...01  in __pte_to_rste()
39 	 * read-only, clean, young	101.000101.1 -> 01..1...0...01  in __pte_to_rste()
40 	 * read-only, dirty, old	111.000110.1 -> 10..1...1...01  in __pte_to_rste()
41 	 * read-only, dirty, young	101.000111.1 -> 11..1...0...01  in __pte_to_rste()
42 	 * read-write, clean, old	111.001100.1 -> 00..1...1...11  in __pte_to_rste()
43 	 * read-write, clean, young	101.001101.1 -> 01..1...0...11  in __pte_to_rste()
44 	 * read-write, dirty, old	110.001110.1 -> 10..0...1...11  in __pte_to_rste()
45 	 * read-write, dirty, young	100.001111.1 -> 11..0...0...11  in __pte_to_rste()
46 	 * HW-bits: R read-only, I invalid  in __pte_to_rste()
47 	 * SW-bits: p present, y young, d dirty, r read, w write, s special,  in __pte_to_rste()
98 	 * empty			00..0...1...00 -> 010.000000.0  in __rste_to_pte()
99 	 * prot-none, clean, old	00..1...1...00 -> 111.000000.1  in __rste_to_pte()
100 	 * prot-none, clean, young	01..1...1...00 -> 111.000001.1  in __rste_to_pte()
101 	 * prot-none, dirty, old	10..1...1...00 -> 111.000010.1  in __rste_to_pte()
102 	 * prot-none, dirty, young	11..1...1...00 -> 111.000011.1  in __rste_to_pte()
103 	 * read-only, clean, old	00..1...1...01 -> 111.000100.1  in __rste_to_pte()
104 	 * read-only, clean, young	01..1...0...01 -> 101.000101.1  in __rste_to_pte()
105 	 * read-only, dirty, old	10..1...1...01 -> 111.000110.1  in __rste_to_pte()
106 	 * read-only, dirty, young	11..1...0...01 -> 101.000111.1  in __rste_to_pte()
107 	 * read-write, clean, old	00..1...1...11 -> 111.001100.1  in __rste_to_pte()
108 	 * read-write, clean, young	01..1...0...11 -> 101.001101.1  in __rste_to_pte()
109 	 * read-write, dirty, old	10..0...1...11 -> 110.001110.1  in __rste_to_pte()
110 	 * read-write, dirty, young	11..0...0...11 -> 100.001111.1  in __rste_to_pte()
111 	 * HW-bits: R read-only, I invalid  in __rste_to_pte()
112 	 * SW-bits: p present, y young, d dirty, r read, w write, s special,  in __rste_to_pte()
157 	if (!test_and_set_bit(PG_arch_1, &folio->flags))  in clear_huge_pte_skeys()