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mm/page_owner: Remove the ULONG_MAX stack trace hackery

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

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter 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
This commit is contained in:
Thomas Gleixner 2019-04-10 12:28:06 +02:00
parent b8ca7ff773
commit 4621c9858f
1 changed files with 0 additions and 3 deletions
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3
mm/page_owner.c
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@ -148,9 +148,6 @@ static noinline depot_stack_handle_t save_stack(gfp_t flags)
depot_stack_handle_t handle; depot_stack_handle_t handle;
save_stack_trace(&trace); 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 * We need to check recursion here because our request to stackdepot