Commit 037dd8f9 authored by Angus Chen's avatar Angus Chen Committed by Andrew Morton
Browse files

mm/vmscan: print err before panic 

If panic is enable,the err information will not be printed before bugon,
So swap it.  Print the return value of PTR_ERR(pgdat->kswapd) also.

Link: https://lkml.kernel.org/r/20230906083700.181-1-angus.chen@jaguarmicro.com


Signed-off-by: default avatarAngus Chen <angus.chen@jaguarmicro.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 40dca9b3

mm/vmscan.c

+2 −1
Original line number Diff line number Diff line
@@ -7892,8 +7892,9 @@ void __meminit kswapd_run(int nid) 
		pgdat->kswapd = kthread_run(kswapd, pgdat, "kswapd%d", nid);

		if (IS_ERR(pgdat->kswapd)) {

			/* failure at boot is fatal */

			pr_err("Failed to start kswapd on node %d，ret=%ld\n",

				   nid, PTR_ERR(pgdat->kswapd));

			BUG_ON(system_state < SYSTEM_RUNNING);

			pr_err("Failed to start kswapd on node %d\n", nid);

			pgdat->kswapd = NULL;

		}

	}