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 17:20:57
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Lock order:* 1. slab_mutex (Global Mutex)* 2. node->list_lock* 3. slab_lock(page) (Only on some arches and for debugging)* slab_mutex* The role of the slab_mutex is to protect the list of all the slabs

函数原型：static inline int kmem_cache_debug(struct kmem_cache *s)

返回类型：int

参数：

类型参数名称
struct kmem_cache *s
122  返回:0
调用者
名称描述
fixup_red_left
deactivate_slabRemove the cpu slab
___slab_allocSlow path. The lockless freelist is empty or we need to perform* debugging duties.* Processing is still very fast if new objects have been freed to the* regular freelist. In that case we simply take over the regular freelist
__slab_freeSlow path handling. This may still be called frequently since objects* have a longer lifetime than the cpu slabs in most processing loads.* So we still attempt to reduce cache line usage. Just take the slab* lock and free the item