diff options
Diffstat (limited to 'arch/powerpc/mm/ptdump/hashpagetable.c')
| -rw-r--r-- | arch/powerpc/mm/ptdump/hashpagetable.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/arch/powerpc/mm/ptdump/hashpagetable.c b/arch/powerpc/mm/ptdump/hashpagetable.c index b6ed9578382f..6aaeb1eb3b9c 100644 --- a/arch/powerpc/mm/ptdump/hashpagetable.c +++ b/arch/powerpc/mm/ptdump/hashpagetable.c @@ -417,9 +417,9 @@ static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start) } } -static void walk_pud(struct pg_state *st, pgd_t *pgd, unsigned long start) +static void walk_pud(struct pg_state *st, p4d_t *p4d, unsigned long start) { - pud_t *pud = pud_offset(pgd, 0); + pud_t *pud = pud_offset(p4d, 0); unsigned long addr; unsigned int i; @@ -431,6 +431,20 @@ static void walk_pud(struct pg_state *st, pgd_t *pgd, unsigned long start) } } +static void walk_p4d(struct pg_state *st, pgd_t *pgd, unsigned long start) +{ + p4d_t *p4d = p4d_offset(pgd, 0); + unsigned long addr; + unsigned int i; + + for (i = 0; i < PTRS_PER_P4D; i++, p4d++) { + addr = start + i * P4D_SIZE; + if (!p4d_none(*p4d)) + /* p4d exists */ + walk_pud(st, p4d, addr); + } +} + static void walk_pagetables(struct pg_state *st) { pgd_t *pgd = pgd_offset_k(0UL); @@ -445,7 +459,7 @@ static void walk_pagetables(struct pg_state *st) addr = KERN_VIRT_START + i * PGDIR_SIZE; if (!pgd_none(*pgd)) /* pgd exists */ - walk_pud(st, pgd, addr); + walk_p4d(st, pgd, addr); } } |