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483f69fa3b
We count every found page owner as 1, which does not show the correct useage. Add the hit count by (1 << order). Change-Id: I7cb1a735381d27825c7ef6bdfa29d5330334be51 CR-Id: ALPS04789600 Signed-off-by: Miles Chen <miles.chen@mediatek.com>
38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/*
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* A generic stack depot implementation
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*
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* Author: Alexander Potapenko <glider@google.com>
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* Copyright (C) 2016 Google, Inc.
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*
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* Based on code by Dmitry Chernenkov.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef _LINUX_STACKDEPOT_H
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#define _LINUX_STACKDEPOT_H
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typedef u32 depot_stack_handle_t;
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struct stack_trace;
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depot_stack_handle_t depot_save_stack(struct stack_trace *trace, gfp_t flags);
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void depot_fetch_stack(depot_stack_handle_t handle, struct stack_trace *trace);
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#ifdef CONFIG_PAGE_OWNER
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void depot_hit_stack(depot_stack_handle_t handle, struct stack_trace *trace,
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int cnt);
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void show_max_hit_page(void);
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#endif
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#endif
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