Function report |
Source Code:mm\slab.c |
Create Date:2022-07-28 15:45:30 |
Last Modify:2022-05-23 17:02:55 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:slab_alloc_node
Proto:static __always_inline void *slab_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid, unsigned long caller)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct kmem_cache * | cachep | |
gfp_t | flags | |
int | nodeid | |
unsigned long | caller |
3274 | flags &= gfp_allowed_mask |
3275 | cachep = slab_pre_alloc_hook(cachep, flags) |
3276 | If Value for the false possibility is greater at compile time(!cachep) Then Return NULL |
3280 | local_irq_save(save_flags) |
3282 | If nodeid == NUMA_NO_NODE Then nodeid = slab_node |
3285 | If Value for the false possibility is greater at compile time(!get_node(cachep, nodeid)) Then |
3288 | Go to out |
3304 | out : |
3305 | local_irq_restore(save_flags) |
3308 | If Value for the false possibility is greater at compile time(slab_want_init_on_alloc(flags, cachep)) && ptr Then memset(ptr, 0, The size of an object without metadata ) |
3311 | slab_post_alloc_hook(cachep, flags, 1, & ptr) |
3312 | Return ptr |
Name | Describe |
---|---|
kmem_cache_alloc_node | kmem_cache_alloc_node - Allocate an object on the specified node*@cachep: The cache to allocate from.*@flags: See kmalloc().*@nodeid: node number of the target node.* Identical to kmem_cache_alloc but it will allocate memory on the given |
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