Function report |
Source Code:include\trace\events\vmscan.h |
Create Date:2022-07-28 14:16:34 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:trace_mm_vmscan_lru_isolate
Proto:static inline void trace_mm_vmscan_lru_isolate(int classzone_idx, int order, unsigned long nr_requested, unsigned long nr_scanned, unsigned long nr_skipped, unsigned long nr_taken, isolate_mode_t isolate_mode, int lru)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
int | classzone_idx | |
int | order | |
unsigned long | nr_requested | |
unsigned long | nr_scanned | |
unsigned long | nr_skipped | |
unsigned long | nr_taken | |
isolate_mode_t | isolate_mode | |
int | lru |
NULL
Name | Describe |
---|---|
isolate_lru_pages | pgdat->lru_lock is heavily contended. Some of the functions that* shrink the lists perform better by taking out a batch of pages* and working on them outside the LRU lock.* For pagecache intensive workloads, this function is the hottest |
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