Function report |
Source Code:mm\filemap.c |
Create Date:2022-07-28 14:01:45 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:page_cache_prev_miss() - Find the previous gap in the page cache.*@mapping: Mapping.*@index: Index.*@max_scan: Maximum range to search.* Search the range [max(index - max_scan + 1, 0), index] for the* gap with the highest index.
Proto:unsigned long page_cache_prev_miss(struct address_space *mapping, unsigned long index, unsigned long max_scan)
Type:unsigned long
Parameter:
Type | Parameter | Name |
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struct address_space * | mapping | |
unsigned long | index | |
unsigned long | max_scan |
1508 | Return xa_index |
Name | Describe |
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count_history_pages | Count contiguously cached pages from @offset-1 to @offset-@max,* this count is a conservative estimation of* - length of the sequential read sequence, or* - thrashing threshold in memory tight systems |
Source code conversion tool public plug-in interface | X |
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Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |