函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\slub.c Create Date:2022-07-27 17:21:18
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：slab_free_freelist_hook

函数原型：static inline bool slab_free_freelist_hook(struct kmem_cache *s, void **head, void **tail)

返回类型：bool

参数：

类型参数名称
struct kmem_cache *s
void **head
void **tail
1433  next等于head
1434  old_tail等于如果tail则tail否则head
1438  * head = NULL
1439  * tail = NULL
1441  循环
1442  object等于next
1443  next等于get_freepointer(s, object)
1445  如果slab_want_init_on_free(s)则
1450  memset(object, 0, The size of an object without metadata )
1451  rsize等于如果Used for retrieving partial slabs, etc. 按位与DEBUG: Red zone objs in a cache 则Left redzone padding size 否则0
1453  memset((char * )object + Offset to metadata , 0, The size of an object including metadata - Offset to metadata - rsize)
1458  如果非slab_free_hook(s, object)则
1460  set_freepointer(s, object, * head)
1461  head等于object
1462  如果非tail则tail等于object
1465  当object不等于old_tail循环
1467  如果head恒等于tail则 * tail = NULL
1470  返回: * head != NULL
调用者
名称描述
slab_free