1 files changed, 0 insertions, 17 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index fa609569c3d2..052444c9b594 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -37,7 +37,6 @@
 #include <linux/t10-pi.h>
 #include <linux/debugfs.h>
 #include <linux/bpf.h>
-#include <linux/psi.h>
 #include <linux/part_stat.h>
 #include <linux/sched/sysctl.h>
 #include <linux/blk-crypto.h>
@@ -825,22 +824,6 @@ void submit_bio(struct bio *bio)
 		count_vm_events(PGPGOUT, bio_sectors(bio));
 	}
 
-	/*
-	 * If we're reading data that is part of the userspace workingset, count
-	 * submission time as memory stall.  When the device is congested, or
-	 * the submitting cgroup IO-throttled, submission can be a significant
-	 * part of overall IO time.
-	 */
-	if (unlikely(bio_op(bio) == REQ_OP_READ &&
-	    bio_flagged(bio, BIO_WORKINGSET))) {
-		unsigned long pflags;
-
-		psi_memstall_enter(&pflags);
-		submit_bio_noacct(bio);
-		psi_memstall_leave(&pflags);
-		return;
-	}
-
 	submit_bio_noacct(bio);
 }
 EXPORT_SYMBOL(submit_bio);