函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\dma\swiotlb.c Create Date:2022-07-27 11:35:50
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：swiotlb_cleanup

函数原型：static void swiotlb_cleanup(void)

返回类型：void

参数：无

322  Used to do a quick range check in swiotlb_tbl_unmap_single and* swiotlb_tbl_sync_single_*, to see if the memory was in fact allocated by this* API.等于0
323  Used to do a quick range check in swiotlb_tbl_unmap_single and* swiotlb_tbl_sync_single_*, to see if the memory was in fact allocated by this* API.等于0
324  The number of IO TLB blocks (in groups of 64) between io_tlb_start and* io_tlb_end. This is command line adjustable via setup_io_tlb_npages.等于0
325  Max segment that we can provide which (if pages are contingous) will* not be bounced (unless SWIOTLB_FORCE is set).等于0
调用者
名称描述
swiotlb_late_init_with_tbl
swiotlb_exit