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/* SPDX-License-Identifier: GPL-2.0-only */ /* * include/linux/kmemleak.h * * Copyright (C) 2008 ARM Limited * Written by Catalin Marinas <[email protected]> */ #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, int min_count, gfp_t gfp) __ref; extern void kmemleak_free_part_phys(phys_addr_t phys, size_t size) __ref; extern void kmemleak_not_leak_phys(phys_addr_t phys) __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, int min_count, gfp_t gfp) { } static inline void kmemleak_free_part_phys(phys_addr_t phys, size_t size) { } static inline void kmemleak_not_leak_phys(phys_addr_t phys) { } static inline void kmemleak_ignore_phys(phys_addr_t phys) { } #endif /* CONFIG_DEBUG_KMEMLEAK */ #endif /* __KMEMLEAK_H */