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https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
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cf98d2b6ee
Do the same as commit f8f0d0b6fa20 ("mm: ptdump: reduce level numbers
by 1 in note_page()") and add missing p4d level.
This will align powerpc to the users of generic ptdump.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/d76495c574132b197b445a1f133755cca4b912a4.1625762906.git.christophe.leroy@csgroup.eu
95 lines
1.7 KiB
C
95 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* From split of dump_linuxpagetables.c
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* Copyright 2016, Rashmica Gupta, IBM Corp.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/pgtable.h>
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#include "ptdump.h"
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static const struct flag_info flag_array[] = {
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{
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#ifdef CONFIG_PPC_16K_PAGES
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.mask = _PAGE_HUGE,
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.val = _PAGE_HUGE,
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#else
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.mask = _PAGE_SPS,
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.val = _PAGE_SPS,
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#endif
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.set = "huge",
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.clear = " ",
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}, {
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.mask = _PAGE_SH,
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.val = 0,
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.set = "user",
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.clear = " ",
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}, {
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.mask = _PAGE_RO | _PAGE_NA,
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.val = 0,
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.set = "rw",
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}, {
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.mask = _PAGE_RO | _PAGE_NA,
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.val = _PAGE_RO,
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.set = "r ",
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}, {
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.mask = _PAGE_RO | _PAGE_NA,
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.val = _PAGE_NA,
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.set = " ",
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}, {
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.mask = _PAGE_EXEC,
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.val = _PAGE_EXEC,
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.set = " X ",
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.clear = " ",
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}, {
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.mask = _PAGE_PRESENT,
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.val = _PAGE_PRESENT,
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.set = "present",
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.clear = " ",
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}, {
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.mask = _PAGE_GUARDED,
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.val = _PAGE_GUARDED,
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.set = "guarded",
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.clear = " ",
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}, {
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.mask = _PAGE_DIRTY,
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.val = _PAGE_DIRTY,
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.set = "dirty",
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.clear = " ",
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}, {
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.mask = _PAGE_ACCESSED,
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.val = _PAGE_ACCESSED,
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.set = "accessed",
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.clear = " ",
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}, {
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.mask = _PAGE_NO_CACHE,
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.val = _PAGE_NO_CACHE,
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.set = "no cache",
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.clear = " ",
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}, {
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.mask = _PAGE_SPECIAL,
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.val = _PAGE_SPECIAL,
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.set = "special",
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}
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};
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struct pgtable_level pg_level[5] = {
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{ /* pgd */
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.flag = flag_array,
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.num = ARRAY_SIZE(flag_array),
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}, { /* p4d */
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.flag = flag_array,
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.num = ARRAY_SIZE(flag_array),
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}, { /* pud */
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.flag = flag_array,
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.num = ARRAY_SIZE(flag_array),
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}, { /* pmd */
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.flag = flag_array,
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.num = ARRAY_SIZE(flag_array),
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}, { /* pte */
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.flag = flag_array,
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.num = ARRAY_SIZE(flag_array),
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},
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};
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