【经典】Code Commentary On The Linux Virtual Memory Manager

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1、CodeCommentaryOnTheLinuxVirtualMemoryManagerMelGorman14thJuly2003Contents1BootMemoryAllocator81.1RepresentingtheBootMap...........................81.2InitialisingtheBootMemoryAllocator.....................8Function:setup_memory........................8Function:init_b

2、ootmem.........................11Function:init_bootmem_node.....................12Function:init_bootmem_core.....................121.3AllocatingMemory................................13Function:reserve_bootmem.......................13Function:reserve_bootmem_node.....

3、..............14Function:reserve_bootmem_core....................14Function:alloc_bootmem........................15Function:__alloc_bootmem......................16Function:alloc_bootmem_node....................16Function:__alloc_bootmem_node..................17Functi

4、on:__alloc_bootmem_core...................171.4FreeingMemory..................................22Function:free_bootmem.........................22Function:free_bootmem_core.....................231.5RetiringtheBootMemoryAllocator......................24Function:mem_init

5、...........................24Function:free_pages_init........................26Function:free_all_bootmem......................26Function:free_all_bootmem_core...................272PhysicalPageManagement292.1AllocatingPages.................................29Function:a

6、lloc_pages..........................29Function:_alloc_pages.........................30Function:__alloc_pages........................31Function:rmqueue............................35Function:expand.............................372.2FreePages.............................

7、........38Function:__free_pages.........................39Function:__free_pages_ok.......................392.3PageAllocateHelperFunctions.........................432Function:alloc_page...........................43Function:__get_free_page.......................43Funct

8、ion:__get_free_pages......................44Function:__get_dma_pages......................44Function:get_zeroed_page...............