Commit-ID:  4621c9858f05ab08434221e3a15cc8098645ef2a
Gitweb:     https://git.kernel.org/tip/4621c9858f05ab08434221e3a15cc8098645ef2a
Author:     Thomas Gleixner <[email protected]>
AuthorDate: Wed, 10 Apr 2019 12:28:06 +0200
Committer:  Thomas Gleixner <[email protected]>
CommitDate: Sun, 14 Apr 2019 19:58:30 +0200

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: Thomas Gleixner <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Josh Poimboeuf <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Alexander Potapenko <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: [email protected]
Cc: Mike Rapoport <[email protected]>
Cc: Andrew Morton <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]

---
 mm/page_owner.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/mm/page_owner.c b/mm/page_owner.c
index 925b6f44a444..df277e6bc3c6 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -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

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