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-rw-r--r--mm/slub.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/mm/slub.c b/mm/slub.c
index f2e550e1adf0..2963dc123336 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -38,6 +38,7 @@
#include <linux/memcontrol.h>
#include <linux/random.h>
#include <kunit/test.h>
+#include <linux/sort.h>
#include <linux/debugfs.h>
#include <trace/events/kmem.h>
@@ -6137,6 +6138,17 @@ static void *slab_debugfs_next(struct seq_file *seq, void *v, loff_t *ppos)
return NULL;
}
+static int cmp_loc_by_count(const void *a, const void *b, const void *data)
+{
+ struct location *loc1 = (struct location *)a;
+ struct location *loc2 = (struct location *)b;
+
+ if (loc1->count > loc2->count)
+ return -1;
+ else
+ return 1;
+}
+
static void *slab_debugfs_start(struct seq_file *seq, loff_t *ppos)
{
struct loc_track *t = seq->private;
@@ -6198,6 +6210,10 @@ static int slab_debug_trace_open(struct inode *inode, struct file *filep)
spin_unlock_irqrestore(&n->list_lock, flags);
}
+ /* Sort locations by count */
+ sort_r(t->loc, t->count, sizeof(struct location),
+ cmp_loc_by_count, NULL, NULL);
+
bitmap_free(obj_map);
return 0;
}