src/system/kernel/slab/slab_private.h

   1 /*
   2  * Copyright 2007, Hugo Santos. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *      Hugo Santos, hugosantos@gmail.com
   7  */
   8 #ifndef SLAB_PRIVATE_H
   9 #define SLAB_PRIVATE_H
  10
  11
  12 #include <stddef.h>
  13
  14 #include <slab/Slab.h>
  15
  16
  17 static const size_t kMinObjectAlignment = 8;
  18
  19
  20 void            request_memory_manager_maintenance();
  21
  22 void*           block_alloc(size_t size, size_t alignment, uint32 flags);
  23 void*           block_alloc_early(size_t size);
  24 void            block_free(void* block, uint32 flags);
  25 void            block_allocator_init_boot();
  26 void            block_allocator_init_rest();
  27
  28
  29 template<typename Type>
  30 static inline Type*
  31 _pop(Type*& head)
  32 {
  33         Type* oldHead = head;
  34         head = head->next;
  35         return oldHead;
  36 }
  37
  38
  39 template<typename Type>
  40 static inline void
  41 _push(Type*& head, Type* object)
  42 {
  43         object->next = head;
  44         head = object;
  45 }
  46
  47
  48 static inline void*
  49 slab_internal_alloc(size_t size, uint32 flags)
  50 {
  51         if (flags & CACHE_DURING_BOOT)
  52                 return block_alloc_early(size);
  53
  54         return block_alloc(size, 0, flags);
  55 }
  56
  57
  58 static inline void
  59 slab_internal_free(void* buffer, uint32 flags)
  60 {
  61         block_free(buffer, flags);
  62 }
  63
  64
  65 #endif  // SLAB_PRIVATE_H