1 /* 2 * Copyright (c) 2021 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29 #ifndef __VM_RECLAIM_INTERNAL__ 30 #define __VM_RECLAIM_INTERNAL__ 31 32 #if CONFIG_DEFERRED_RECLAIM 33 34 #include <mach/mach_types.h> 35 #include <mach/vm_reclaim.h> 36 #include <sys/cdefs.h> 37 #include <vm/vm_reclaim_xnu.h> 38 39 #if MACH_KERNEL_PRIVATE 40 41 mach_error_t vm_deferred_reclamation_buffer_allocate_internal( 42 task_t task, 43 mach_vm_address_ut *address, 44 mach_vm_reclaim_count_t len, 45 mach_vm_reclaim_count_t max_len); 46 47 kern_return_t vm_deferred_reclamation_buffer_flush_internal( 48 task_t task, 49 mach_vm_reclaim_count_t max_entries_to_reclaim); 50 51 kern_return_t vm_deferred_reclamation_buffer_update_reclaimable_bytes_internal( 52 task_t task, uint64_t reclaimable_bytes); 53 54 /* 55 * Resize the reclaim buffer for a given task 56 */ 57 kern_return_t vm_deferred_reclamation_buffer_resize_internal( 58 task_t task, 59 mach_vm_reclaim_count_t len); 60 61 62 void vm_deferred_reclamation_buffer_lock(vm_deferred_reclamation_metadata_t metadata); 63 void vm_deferred_reclamation_buffer_unlock(vm_deferred_reclamation_metadata_t metadata); 64 65 #if DEVELOPMENT || DEBUG 66 /* 67 * Testing helpers 68 */ 69 bool vm_deferred_reclamation_block_until_task_has_been_reclaimed(task_t task); 70 #endif /* DEVELOPMENT || DEBUG */ 71 72 #endif /* MACH_KERNEL_PRIVATE */ 73 #endif /* CONFIG_DEFERRED_RECLAIM */ 74 #endif /*__VM_RECLAIM_INTERNAL__ */ 75