函数逻辑报告 |
Source Code:mm\filemap.c |
Create Date:2022-07-27 15:24:11 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
首页 | 函数Tree |
注解内核,赢得工具 | 下载SCCT | English |
函数名称:__page_cache_alloc
函数原型:struct page *__page_cache_alloc(gfp_t gfp)
返回类型:struct page
参数:
类型 | 参数 | 名称 |
---|---|---|
gfp_t | gfp |
971 | 如果cpuset_do_page_mem_spread()则 |
981 | 返回:alloc_pages(gfp, 0) |
名称 | 描述 |
---|---|
pagecache_get_page | pagecache_get_page - find and get a page reference*@mapping: the address_space to search*@offset: the page index*@fgp_flags: PCG flags*@gfp_mask: gfp mask to use for the page cache data page allocation* Looks up the page cache slot at @mapping & @offset. |
do_read_cache_page | |
__do_page_cache_readahead | __do_page_cache_readahead() actually reads a chunk of disk. It allocates* the pages first, then submits them for I/O. This avoids the very bad* behaviour which would occur if page allocations are causing VM writeback. |
page_cache_alloc |
源代码转换工具 开放的插件接口 | X |
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支持:c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现:逻辑报告 代码生成和批量转换代码 |