函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\slab.c Create Date:2022-07-27 17:18:13
Last Modify:2022-05-23 17:02:55 Copyright©Brick
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函数名称：set_objfreelist_slab_cache

函数原型：static bool set_objfreelist_slab_cache(struct kmem_cache *cachep, size_t size, slab_flags_t flags)

返回类型：bool

参数：

类型参数名称
struct kmem_cache *cachep
size_tsize
slab_flags_tflags
1861  num等于0
1868  如果此条件成立可能性小(为编译器优化)(slab_want_init_on_free(cachep))则返回:false
1871  如果ctor或flags按位与Defer freeing slabs to RCU 则返回:false
1874  left等于alculate_slab_order - calculate size (page order) of slabs*@cachep: pointer to the cache that is being created*@size: size of objects to be created in this cache.*@flags: slab allocation flags* Also calculates the number of objects per slab.
1876  如果非num则返回:false
1879  如果num乘sizeof(freelist_idx_t)大于The size of an object without metadata 则返回:false
1882  colour等于left除colour_off
1884  返回:true
调用者
名称描述
__kmem_cache_create__kmem_cache_create - Create a cache.*@cachep: cache management descriptor*@flags: SLAB flags* Returns a ptr to the cache on success, NULL on failure.* Cannot be called within a int, but can be interrupted.