函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\radix-tree.c Create Date:2022-07-27 07:10:16
Last Modify:2022-05-21 10:04:37 Copyright©Brick
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函数名称：Load up this CPU's radix_tree_node buffer with sufficient objects to* ensure that the addition of a single element in the tree cannot fail

函数原型：int radix_tree_preload(gfp_t gfp_mask)

返回类型：int

参数：

类型参数名称
gfp_tgfp_mask
378  WARN_ON_ONCE(!gfpflags_allow_blocking(gfp_mask))
379  返回:Load up this CPU's radix_tree_node buffer with sufficient objects to* ensure that the addition of a single element in the tree cannot fail
调用者
名称描述
new_vmap_blockw_vmap_block - allocates new vmap_block and occupies 2^order pages in this* block
blkcg_init_queuelkcg_init_queue - initialize blkcg part of request queue*@q: request_queue to initialize* Called from blk_alloc_queue_node(). Responsible for initializing blkcg* part of new request_queue @q.* RETURNS:* 0 on success, -errno on failure.