Function report |
Source Code:fs\splice.c |
Create Date:2022-07-28 20:11:25 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Check if we need to grow the arrays holding pages and partial page* descriptions.
Proto:int splice_grow_spd(const struct pipe_inode_info *pipe, struct splice_pipe_desc *spd)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
const struct pipe_inode_info * | pipe | |
struct splice_pipe_desc * | spd |
263 | If max_usage <= PIPE_DEF_BUFFERS Then Return 0 |
266 | page map = kmalloc_array - allocate memory for an array.*@n: number of elements.*@size: element size.*@flags: the type of memory to allocate (see kmalloc). |
267 | pages[] may not be contig = kmalloc_array - allocate memory for an array.*@n: number of elements.*@size: element size.*@flags: the type of memory to allocate (see kmalloc). |
270 | If page map && pages[] may not be contig Then Return 0 |
275 | Return -ENOMEM |
Name | Describe |
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tracing_splice_read_pipe | |
tracing_buffers_splice_read |
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