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s390/mm: improve debugfs ptdump markers walking 

This allows to print multiple markers when they happened to have the
same value.

...
0x001bfffff0100000-0x001c000000000000       255M PMD I
---[ Kasan Shadow End ]---
---[ vmemmap Area ]---
0x001c000000000000-0x001c000002000000        32M PMD RW X
...

Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Vasily Gorbik 2017-11-17 17:55:07 +01:00 committed by Martin Schwidefsky
parent e006222b57
commit 6cad0eb561
1 changed files with 1 additions and 1 deletions
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2
arch/s390/mm/dump_pagetables.c
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@ -100,7 +100,7 @@ static void note_page(struct seq_file *m, struct pg_state *st,
}
seq_printf(m, "%9lu%c ", delta, *unit);
print_prot(m, st->current_prot, st->level);
if (st->current_address >= st->marker[1].start_address) {
while (st->current_address >= st->marker[1].start_address) {
st->marker++;
seq_printf(m, "---[ %s ]---\n", st->marker->name);
}