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Commit 4621c985 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

mm/page_owner: Remove the ULONG_MAX stack trace hackery 



No architecture terminates the stack trace with ULONG_MAX anymore. Remove
the cruft.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Acked-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Alexander Potapenko <glider@google.com>
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>
Link: https://lkml.kernel.org/r/20190410103644.661974663@linutronix.de
parent b8ca7ff7

mm/page_owner.c

+0 −3
Original line number Diff line number Diff line
@@ -148,9 +148,6 @@ static noinline depot_stack_handle_t save_stack(gfp_t flags) 
	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