Function report |
Source Code:fs\mbcache.c |
Create Date:2022-07-28 20:29:33 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:mb_cache_shrink
Proto:static unsigned long mb_cache_shrink(struct mb_cache *cache, unsigned long nr_to_scan)
Type:unsigned long
Parameter:
Type | Parameter | Name |
---|---|---|
struct mb_cache * | cache | |
unsigned long | nr_to_scan |
285 | shrunk = 0 |
287 | spin_lock( & Protects c_list, c_entry_count ) |
291 | If e_referenced Then |
292 | e_referenced = 0 |
294 | Continue |
297 | Number of entries in cache -- |
304 | hlist_bl_lock(head) |
305 | If Not hlist_bl_unhashed( & Hash table list - protected by hash chain bitlock ) Then |
307 | atomic_dec( & e_refcnt) |
309 | hlist_bl_unlock(head) |
310 | If mb_cache_entry_put(cache, entry) Then shrunk++ |
312 | cond_resched() |
313 | spin_lock( & Protects c_list, c_entry_count ) |
317 | Return shrunk |
Name | Describe |
---|---|
mb_cache_entry_create | mb_cache_entry_create - create entry in cache*@cache - cache where the entry should be created*@mask - gfp mask with which the entry should be allocated*@key - key of the entry*@value - value of the entry*@reusable - is the entry reusable by others? |
mb_cache_scan | |
mb_cache_shrink_worker |
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