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-rw-r--r--arch/arm64/mm/ptdump_debugfs.c3
-rw-r--r--arch/riscv/mm/ptdump.c3
-rw-r--r--arch/s390/mm/dump_pagetables.c2
-rw-r--r--mm/ptdump.c2
4 files changed, 2 insertions, 8 deletions
diff --git a/arch/arm64/mm/ptdump_debugfs.c b/arch/arm64/mm/ptdump_debugfs.c
index 68bf1a125502..1e308328c079 100644
--- a/arch/arm64/mm/ptdump_debugfs.c
+++ b/arch/arm64/mm/ptdump_debugfs.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/debugfs.h>
-#include <linux/memory_hotplug.h>
#include <linux/seq_file.h>
#include <asm/ptdump.h>
@@ -9,9 +8,7 @@ static int ptdump_show(struct seq_file *m, void *v)
{
struct ptdump_info *info = m->private;
- get_online_mems();
ptdump_walk(m, info);
- put_online_mems();
return 0;
}
DEFINE_SHOW_ATTRIBUTE(ptdump);
diff --git a/arch/riscv/mm/ptdump.c b/arch/riscv/mm/ptdump.c
index 32922550a50a..3b51690cc876 100644
--- a/arch/riscv/mm/ptdump.c
+++ b/arch/riscv/mm/ptdump.c
@@ -6,7 +6,6 @@
#include <linux/efi.h>
#include <linux/init.h>
#include <linux/debugfs.h>
-#include <linux/memory_hotplug.h>
#include <linux/seq_file.h>
#include <linux/ptdump.h>
@@ -413,9 +412,7 @@ bool ptdump_check_wx(void)
static int ptdump_show(struct seq_file *m, void *v)
{
- get_online_mems();
ptdump_walk(m, m->private);
- put_online_mems();
return 0;
}
diff --git a/arch/s390/mm/dump_pagetables.c b/arch/s390/mm/dump_pagetables.c
index ac604b176660..9af2aae0a515 100644
--- a/arch/s390/mm/dump_pagetables.c
+++ b/arch/s390/mm/dump_pagetables.c
@@ -247,11 +247,9 @@ static int ptdump_show(struct seq_file *m, void *v)
.marker = markers,
};
- get_online_mems();
mutex_lock(&cpa_mutex);
ptdump_walk_pgd(&st.ptdump, &init_mm, NULL);
mutex_unlock(&cpa_mutex);
- put_online_mems();
return 0;
}
DEFINE_SHOW_ATTRIBUTE(ptdump);
diff --git a/mm/ptdump.c b/mm/ptdump.c
index 9374f29cdc6f..0a6965e2e7fa 100644
--- a/mm/ptdump.c
+++ b/mm/ptdump.c
@@ -175,6 +175,7 @@ void ptdump_walk_pgd(struct ptdump_state *st, struct mm_struct *mm, pgd_t *pgd)
{
const struct ptdump_range *range = st->range;
+ get_online_mems();
mmap_write_lock(mm);
while (range->start != range->end) {
walk_page_range_novma(mm, range->start, range->end,
@@ -182,6 +183,7 @@ void ptdump_walk_pgd(struct ptdump_state *st, struct mm_struct *mm, pgd_t *pgd)
range++;
}
mmap_write_unlock(mm);
+ put_online_mems();
/* Flush out the last page */
st->note_page_flush(st);