函数逻辑报告 |
Source Code:mm\hugetlb.c |
Create Date:2022-07-27 16:55:53 |
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:Subpool accounting for allocating and reserving pages
函数原型:static long hugepage_subpool_get_pages(struct hugepage_subpool *spool, long delta)
返回类型:long
参数:
类型 | 参数 | 名称 |
---|---|---|
struct hugepage_subpool * | spool | |
long | delta |
142 | 加自旋锁 |
144 | 如果 Maximum huge pages or -1 if no maximum. 不等于负1则 |
145 | 如果 Used count against maximum, includes 加delta小于等于 Maximum huge pages or -1 if no maximum. 则 Used count against maximum, includes 加等于delta |
147 | 否则 |
149 | 转到:unlock_ret |
168 | unlock_ret : |
169 | 自旋锁解锁 |
170 | 返回:ret |
名称 | 描述 |
---|---|
hugetlb_fix_reserve_counts | A rare out of memory error was encountered which prevented removal of* the reserve map region for a page. The huge page itself was free'ed* and removed from the page cache. This routine will adjust the subpool |
alloc_huge_page | |
hugetlb_reserve_pages |
源代码转换工具 开放的插件接口 | X |
---|---|
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 |