diff mbox series

[RFC,v2,13/19] mm: expose ksm merge type in ksm_stat

Message ID 20230210215023.2740545-14-shr@devkernel.io (mailing list archive)
State New
Headers show
Series mm: process/cgroup ksm support | expand

Commit Message

Stefan Roesch Feb. 10, 2023, 9:50 p.m. UTC 
This exposes the ksm process type in /proc/<pid>/ksm_stat. The name of
the value is ksm_merge_type.

Signed-off-by: Stefan Roesch <shr@devkernel.io>
---
 fs/proc/base.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/fs/proc/base.c b/fs/proc/base.c
index fb9567bc42a4..45749051e53b 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -3200,6 +3200,7 @@  static int proc_pid_ksm_merging_pages(struct seq_file *m, struct pid_namespace *
 
 	return 0;
 }
+
 static int proc_pid_ksm_stat(struct seq_file *m, struct pid_namespace *ns,
 				struct pid *pid, struct task_struct *task)
 {
@@ -3210,6 +3211,7 @@  static int proc_pid_ksm_stat(struct seq_file *m, struct pid_namespace *ns,
 		seq_printf(m, "ksm_rmap_items %lu\n", mm->ksm_rmap_items);
 		seq_printf(m, "zero_pages_sharing %lu\n", mm->ksm_zero_pages_sharing);
 		seq_printf(m, "ksm_merging_pages %lu\n", mm->ksm_merging_pages);
+		seq_printf(m, "ksm_merge_type %s\n", ksm_merge_type(mm));
 		seq_printf(m, "ksm_process_profit %ld\n", ksm_process_profit(mm));
 		mmput(mm);
 	}