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/* * Copyright (c) 2015 Apple Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #ifndef __MAGAZINE_MALLOC_H #define __MAGAZINE_MALLOC_H // MARK: magazine_malloc MALLOC_NOEXPORT malloc_zone_t * create_scalable_zone(size_t initial_size, unsigned debug_flags); MALLOC_NOEXPORT szone_t * create_scalable_szone(size_t initial_size, unsigned debug_flags); // Allegedly exported for performance/debugging tools MALLOC_EXPORT boolean_t scalable_zone_statistics(malloc_zone_t *zone, malloc_statistics_t *stats, unsigned subzone); MALLOC_NOEXPORT extern int max_magazines; MALLOC_NOEXPORT extern int max_medium_magazines; MALLOC_NOEXPORT extern int recirc_retained_regions; MALLOC_NOEXPORT extern bool magazine_medium_enabled; MALLOC_NOEXPORT extern uint64_t magazine_medium_active_threshold; #if CONFIG_MEDIUM_ALLOCATOR MALLOC_NOEXPORT extern uint64_t magazine_medium_madvise_dram_scale_divisor; MALLOC_NOEXPORT extern uint64_t magazine_medium_madvise_window_scale_factor; #endif // CONFIG_MEDIUM_ALLOCATOR MALLOC_NOEXPORT extern uint64_t magazine_large_expanded_cache_threshold; #if CONFIG_AGGRESSIVE_MADVISE MALLOC_NOEXPORT extern bool aggressive_madvise_enabled; #endif // CONFIG_AGGRESSIVE_MADVISE #if CONFIG_LARGE_CACHE MALLOC_NOEXPORT extern bool large_cache_enabled; #endif // CONFIG_LARGE_CACHE // MARK: magazine_malloc utility functions MALLOC_NOEXPORT extern const struct malloc_introspection_t szone_introspect; MALLOC_NOEXPORT void szone_batch_free(szone_t *szone, void **to_be_freed, unsigned count); MALLOC_NOEXPORT unsigned szone_batch_malloc(szone_t *szone, size_t size, void **results, unsigned count); MALLOC_NOEXPORT void * szone_calloc(szone_t *szone, size_t num_items, size_t size); MALLOC_NOEXPORT void szone_free(szone_t *szone, void *ptr); MALLOC_NOEXPORT void szone_free_definite_size(szone_t *szone, void *ptr, size_t size); MALLOC_NOEXPORT size_t szone_good_size(szone_t *szone, size_t size); MALLOC_NOEXPORT void * szone_malloc(szone_t *szone, size_t size); MALLOC_NOEXPORT void * szone_memalign(szone_t *szone, size_t alignment, size_t size); MALLOC_NOEXPORT size_t szone_pressure_relief(szone_t *szone, size_t goal); MALLOC_NOEXPORT boolean_t szone_claimed_address(szone_t *szone, void *ptr); MALLOC_NOEXPORT void * szone_realloc(szone_t *szone, void *ptr, size_t new_size); MALLOC_NOEXPORT size_t szone_size(szone_t *szone, const void *ptr); MALLOC_NOEXPORT size_t szone_size_try_large(szone_t *szone, const void *ptr); MALLOC_NOEXPORT void * szone_valloc(szone_t *szone, size_t size); // MARK: tiny region allocator functions MALLOC_NOEXPORT boolean_t tiny_check_region(rack_t *rack, region_t region, size_t region_index, unsigned counter); MALLOC_NOEXPORT void tiny_finalize_region(rack_t *rack, magazine_t *tiny_mag_ptr); MALLOC_NOEXPORT int tiny_free_detach_region(rack_t *rack, magazine_t *tiny_mag_ptr, region_t r); MALLOC_NOEXPORT boolean_t tiny_free_list_check(rack_t *rack, grain_t slot, unsigned counter); MALLOC_NOEXPORT boolean_t tiny_check(rack_t *rack, unsigned counter); MALLOC_NOEXPORT boolean_t tiny_free_no_lock(rack_t *rack, magazine_t *tiny_mag_ptr, mag_index_t mag_index, region_t region, void *ptr, msize_t msize, uint32_t flags); MALLOC_NOEXPORT size_t tiny_free_reattach_region(rack_t *rack, magazine_t *tiny_mag_ptr, region_t r); MALLOC_NOEXPORT void tiny_free_scan_madvise_free(rack_t *rack, magazine_t *depot_ptr, region_t r); MALLOC_NOEXPORT kern_return_t tiny_in_use_enumerator(task_t task, void *context, unsigned type_mask, szone_t *szone, memory_reader_t reader, vm_range_recorder_t recorder); MALLOC_NOEXPORT void * tiny_malloc_from_free_list(rack_t *rack, magazine_t *tiny_mag_ptr, mag_index_t mag_index, msize_t msize); MALLOC_NOEXPORT void * tiny_malloc_should_clear(rack_t *rack, msize_t msize, boolean_t cleared_requested); MALLOC_NOEXPORT void * tiny_memalign(szone_t *szone, size_t alignment, size_t size, size_t span); MALLOC_NOEXPORT boolean_t tiny_claimed_address(rack_t *rack, void *ptr); MALLOC_NOEXPORT void * tiny_try_shrink_in_place(rack_t *rack, void *ptr, size_t old_size, size_t new_good_size); MALLOC_NOEXPORT boolean_t tiny_try_realloc_in_place(rack_t *rack, void *ptr, size_t old_size, size_t new_size); MALLOC_NOEXPORT void free_tiny(rack_t *rack, void *ptr, region_t tiny_region, size_t known_size, boolean_t partial_free); MALLOC_NOEXPORT size_t tiny_size(rack_t *rack, const void *ptr); MALLOC_NOEXPORT unsigned tiny_batch_malloc(szone_t *szone, size_t size, void **results, unsigned count); MALLOC_NOEXPORT void tiny_batch_free(szone_t *szone, void **to_be_freed, unsigned count); MALLOC_NOEXPORT void print_tiny_free_list(task_t task, memory_reader_t reader, print_task_printer_t printer, rack_t *rack); MALLOC_NOEXPORT void print_tiny_region(task_t task, memory_reader_t reader, print_task_printer_t printer, int level, region_t region, size_t bytes_at_start, size_t bytes_at_end); #if CONFIG_MADVISE_PRESSURE_RELIEF MALLOC_NOEXPORT void tiny_madvise_pressure_relief(rack_t *rack); #endif // CONFIG_MADVISE_PRESSURE_RELIEF // MARK: small region allocation functions MALLOC_NOEXPORT boolean_t small_check_region(rack_t *rack, region_t region, size_t region_index, unsigned counter); MALLOC_NOEXPORT void small_finalize_region(rack_t *rack, magazine_t *small_mag_ptr); MALLOC_NOEXPORT int small_free_detach_region(rack_t *rack, magazine_t *small_mag_ptr, region_t r); MALLOC_NOEXPORT boolean_t small_free_list_check(rack_t *rack, grain_t slot, unsigned counter); MALLOC_NOEXPORT size_t small_free_reattach_region(rack_t *rack, magazine_t *small_mag_ptr, region_t r); MALLOC_NOEXPORT void small_free_scan_madvise_free(rack_t *rack, magazine_t *depot_ptr, region_t r); MALLOC_NOEXPORT kern_return_t small_in_use_enumerator(task_t task, void *context, unsigned type_mask, szone_t *szone, memory_reader_t reader, vm_range_recorder_t recorder); MALLOC_NOEXPORT void * small_malloc_should_clear(rack_t *rack, msize_t msize, boolean_t cleared_requested); MALLOC_NOEXPORT void * small_memalign(szone_t *szone, size_t alignment, size_t size, size_t span); MALLOC_NOEXPORT boolean_t small_claimed_address(rack_t *rack, void *ptr); MALLOC_NOEXPORT void * small_try_shrink_in_place(rack_t *rack, void *ptr, size_t old_size, size_t new_good_size); MALLOC_NOEXPORT boolean_t small_try_realloc_in_place(rack_t *rack, void *ptr, size_t old_size, size_t new_size); MALLOC_NOEXPORT void free_small(rack_t *rack, void *ptr, region_t small_region, size_t known_size); MALLOC_NOEXPORT size_t small_size(rack_t *rack, const void *ptr); MALLOC_NOEXPORT void print_small_free_list(task_t task, memory_reader_t reader, print_task_printer_t printer, rack_t *rack); MALLOC_NOEXPORT void print_small_region(task_t task, memory_reader_t reader, print_task_printer_t printer, szone_t *szone, int level, region_t region, size_t bytes_at_start, size_t bytes_at_end); #if CONFIG_MADVISE_PRESSURE_RELIEF MALLOC_NOEXPORT void small_madvise_pressure_relief(rack_t *rack); #endif // CONFIG_MADVISE_PRESSURE_RELIEF // MARK: medium region allocation functions MALLOC_NOEXPORT boolean_t medium_check_region(rack_t *rack, region_t region, size_t region_index, unsigned counter); MALLOC_NOEXPORT void medium_finalize_region(rack_t *rack, magazine_t *medium_mag_ptr); MALLOC_NOEXPORT int medium_free_detach_region(rack_t *rack, magazine_t *medium_mag_ptr, region_t r); MALLOC_NOEXPORT boolean_t medium_free_list_check(rack_t *rack, grain_t slot, unsigned counter); MALLOC_NOEXPORT size_t medium_free_reattach_region(rack_t *rack, magazine_t *medium_mag_ptr, region_t r); MALLOC_NOEXPORT void medium_free_scan_madvise_free(rack_t *rack, magazine_t *depot_ptr, region_t r); MALLOC_NOEXPORT kern_return_t medium_in_use_enumerator(task_t task, void *context, unsigned type_mask, szone_t *szone, memory_reader_t reader, vm_range_recorder_t recorder); MALLOC_NOEXPORT void * medium_malloc_should_clear(rack_t *rack, msize_t msize, boolean_t cleared_requested); MALLOC_NOEXPORT void * medium_memalign(szone_t *szone, size_t alignment, size_t size, size_t span); MALLOC_NOEXPORT boolean_t medium_claimed_address(rack_t *rack, void *ptr); MALLOC_NOEXPORT void * medium_try_shrink_in_place(rack_t *rack, void *ptr, size_t old_size, size_t new_good_size); MALLOC_NOEXPORT boolean_t medium_try_realloc_in_place(rack_t *rack, void *ptr, size_t old_size, size_t new_size); MALLOC_NOEXPORT void free_medium(rack_t *rack, void *ptr, region_t medium_region, size_t known_size); MALLOC_NOEXPORT size_t medium_size(rack_t *rack, const void *ptr); MALLOC_NOEXPORT void print_medium_free_list(task_t task, memory_reader_t reader, print_task_printer_t printer, rack_t *rack); MALLOC_NOEXPORT void print_medium_region(task_t task, memory_reader_t reader, print_task_printer_t printer, szone_t *szone, int level, region_t region, size_t bytes_at_start, size_t bytes_at_end); MALLOC_NOEXPORT void print_medium_region_vis(szone_t *szone, region_t region); #if CONFIG_MADVISE_PRESSURE_RELIEF MALLOC_NOEXPORT void medium_madvise_pressure_relief(rack_t *rack); #endif // CONFIG_MADVISE_PRESSURE_RELIEF // MARK: large region allocator functions MALLOC_NOEXPORT bool free_large(szone_t *szone, void *ptr, bool try); MALLOC_NOEXPORT void large_entries_free_no_lock(szone_t *szone, large_entry_t *entries, unsigned num, vm_range_t *range_to_deallocate); MALLOC_NOEXPORT large_entry_t * large_entry_for_pointer_no_lock(szone_t *szone, const void *ptr); MALLOC_NOEXPORT kern_return_t large_in_use_enumerator(task_t task, void *context, unsigned type_mask, vm_address_t large_entries_address, unsigned num_entries, memory_reader_t reader, vm_range_recorder_t recorder); MALLOC_NOEXPORT int large_try_realloc_in_place(szone_t *szone, void *ptr, size_t old_size, size_t new_size); MALLOC_NOEXPORT void * large_try_shrink_in_place(szone_t *szone, void *ptr, size_t old_size, size_t new_good_size); MALLOC_NOEXPORT void * large_malloc(szone_t *szone, size_t num_kernel_pages, unsigned char alignment, boolean_t cleared_requested); MALLOC_NOEXPORT boolean_t large_claimed_address(szone_t *szone, void *ptr); #if CONFIG_LARGE_CACHE MALLOC_NOEXPORT void large_destroy_cache(szone_t *szone); #endif // CONFIG_LARGE_CACHE MALLOC_NOEXPORT void large_debug_print(task_t task, unsigned level, vm_address_t zone_address, memory_reader_t reader, print_task_printer_t printer); MALLOC_NOEXPORT void * szone_malloc_should_clear(szone_t *szone, size_t size, boolean_t cleared_requested); #endif // __MAGAZINE_MALLOC_H