Function report |
Source Code:mm\slab.c |
Create Date:2022-07-28 15:44:38 |
Last Modify:2022-05-23 17:02:55 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:drain_freelist
Proto:static int drain_freelist(struct kmem_cache *cache, struct kmem_cache_node *n, int tofree)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct kmem_cache * | cache | |
struct kmem_cache_node * | n | |
int | tofree |
2237 | nr_freed = 0 |
2238 | When nr_freed < tofree && Not list_empty - tests whether a list is empty*@head: the list to test. cycle |
2240 | spin_lock_irq( & list_lock) |
2242 | If p == slabs_free Then |
2243 | spin_unlock_irq( & list_lock) |
2244 | Go to out |
2249 | free_slabs-- |
2250 | total_slabs-- |
2255 | free_objects -= num |
2256 | spin_unlock_irq( & list_lock) |
2258 | nr_freed++ |
2260 | out : |
2261 | Return nr_freed |
Name | Describe |
---|---|
drain_cache_node_node | Drains freelist for a node on each slab cache, used for memory hot-remove.* Returns -EBUSY if all objects cannot be drained so that the node is not* removed.* Must hold slab_mutex. |
__kmem_cache_shrink | |
cache_reap | ache_reap - Reclaim memory from caches |
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