diff mbox series

[RFC,12/41] mm/page_owner: Remove the ULONG_MAX stack trace hackery

Message ID 20190410103644.661974663@linutronix.de (mailing list archive)
State New, archived
Headers show
Series None | expand

Commit Message

Thomas Gleixner April 10, 2019, 10:28 a.m. UTC 
No architecture terminates the stack trace with ULONG_MAX anymore. Remove
the cruft.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Michal Hocko <mhocko@suse.com>
Cc: linux-mm@kvack.org
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
---
 mm/page_owner.c |    3 ---
 1 file changed, 3 deletions(-)
diff mbox series

Patch

--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -148,9 +148,6 @@  static noinline depot_stack_handle_t sav
 	depot_stack_handle_t handle;
 
 	save_stack_trace(&trace);
-	if (trace.nr_entries != 0 &&
-	    trace.entries[trace.nr_entries-1] == ULONG_MAX)
-		trace.nr_entries--;
 
 	/*
 	 * We need to check recursion here because our request to stackdepot