Commit 13c6a790 authored by Martin Schwidefsky's avatar Martin Schwidefsky

s390/mm: correct comment about segment table entries

The comment describing the bit encoding for segment table entries
is incorrect in regard to the read and write bits. The segment
read bit is 0x0002 and write is 0x0001, not the other way around.
Reported-by: default avatarGerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 758d39eb
...@@ -298,15 +298,15 @@ static inline int is_module_addr(void *addr) ...@@ -298,15 +298,15 @@ static inline int is_module_addr(void *addr)
/* /*
* Segment table entry encoding (R = read-only, I = invalid, y = young bit): * Segment table entry encoding (R = read-only, I = invalid, y = young bit):
* dy..R...I...wr * dy..R...I...rw
* prot-none, clean, old 00..1...1...00 * prot-none, clean, old 00..1...1...00
* prot-none, clean, young 01..1...1...00 * prot-none, clean, young 01..1...1...00
* prot-none, dirty, old 10..1...1...00 * prot-none, dirty, old 10..1...1...00
* prot-none, dirty, young 11..1...1...00 * prot-none, dirty, young 11..1...1...00
* read-only, clean, old 00..1...1...01 * read-only, clean, old 00..1...1...10
* read-only, clean, young 01..1...0...01 * read-only, clean, young 01..1...0...10
* read-only, dirty, old 10..1...1...01 * read-only, dirty, old 10..1...1...10
* read-only, dirty, young 11..1...0...01 * read-only, dirty, young 11..1...0...10
* read-write, clean, old 00..1...1...11 * read-write, clean, old 00..1...1...11
* read-write, clean, young 01..1...0...11 * read-write, clean, young 01..1...0...11
* read-write, dirty, old 10..0...1...11 * read-write, dirty, old 10..0...1...11
......
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