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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* include/linux/kmemleak.h
*
* Copyright (C) 2008 ARM Limited
* Written by Catalin Marinas <catalin.marinas@arm.com>
*/
#ifndef __KMEMLEAK_H
#define __KMEMLEAK_H
#include <linux/slab.h>
#include <linux/vmalloc.h>
#ifdef CONFIG_DEBUG_KMEMLEAK
extern void kmemleak_init(void) __init;
extern void kmemleak_alloc(const void *ptr, size_t size, int min_count,
gfp_t gfp) __ref;
extern void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size,
gfp_t gfp) __ref;
extern void kmemleak_vmalloc(const struct vm_struct *area, size_t size,
gfp_t gfp) __ref;
extern void kmemleak_free(const void *ptr) __ref;
extern void kmemleak_free_part(const void *ptr, size_t size) __ref;
extern void kmemleak_free_percpu(const void __percpu *ptr) __ref;
extern void kmemleak_update_trace(const void *ptr) __ref;
extern void kmemleak_not_leak(const void *ptr) __ref;
extern void kmemleak_ignore(const void *ptr) __ref;
extern void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) __ref;
extern void kmemleak_no_scan(const void *ptr) __ref;
extern void kmemleak_alloc_phys(phys_addr_t phys, size_t size,
gfp_t gfp) __ref;
extern void kmemleak_free_part_phys(phys_addr_t phys, size_t size) __ref;
extern void kmemleak_ignore_phys(phys_addr_t phys) __ref;
static inline void kmemleak_alloc_recursive(const void *ptr, size_t size,
int min_count, slab_flags_t flags,
gfp_t gfp)
{
if (!(flags & SLAB_NOLEAKTRACE))
kmemleak_alloc(ptr, size, min_count, gfp);
}
static inline void kmemleak_free_recursive(const void *ptr, slab_flags_t flags)
{
if (!(flags & SLAB_NOLEAKTRACE))
kmemleak_free(ptr);
}
static inline void kmemleak_erase(void **ptr)
{
*ptr = NULL;
}
#else
static inline void kmemleak_init(void)
{
}
static inline void kmemleak_alloc(const void *ptr, size_t size, int min_count,
gfp_t gfp)
{
}
static inline void kmemleak_alloc_recursive(const void *ptr, size_t size,
int min_count, slab_flags_t flags,
gfp_t gfp)
{
}
static inline void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size,
gfp_t gfp)
{
}
static inline void kmemleak_vmalloc(const struct vm_struct *area, size_t size,
gfp_t gfp)
{
}
static inline void kmemleak_free(const void *ptr)
{
}
static inline void kmemleak_free_part(const void *ptr, size_t size)
{
}
static inline void kmemleak_free_recursive(const void *ptr, slab_flags_t flags)
{
}
static inline void kmemleak_free_percpu(const void __percpu *ptr)
{
}
static inline void kmemleak_update_trace(const void *ptr)
{
}
static inline void kmemleak_not_leak(const void *ptr)
{
}
static inline void kmemleak_ignore(const void *ptr)
{
}
static inline void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp)
{
}
static inline void kmemleak_erase(void **ptr)
{
}
static inline void kmemleak_no_scan(const void *ptr)
{
}
static inline void kmemleak_alloc_phys(phys_addr_t phys, size_t size,
gfp_t gfp)
{
}
static inline void kmemleak_free_part_phys(phys_addr_t phys, size_t size)
{
}
static inline void kmemleak_ignore_phys(phys_addr_t phys)
{
}
#endif /* CONFIG_DEBUG_KMEMLEAK */
#endif /* __KMEMLEAK_H */
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