Function report |
Source Code:mm\page_alloc.c |
Create Date:2022-07-28 15:06:24 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:alloc_pages_exact_nid - allocate an exact number of physically-contiguous* pages on a node
Proto:void *__meminit alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
int | nid | |
size_t | size | |
gfp_t | gfp_mask |
4978 | order = get_order - Determine the allocation order of a memory size*@size: The size for which to get the order* Determine the allocation order of a particular sized block of memory |
4981 | If WARN_ON_ONCE(gfp_mask & __GFP_COMP) Then gfp_mask &= ~__GFP_COMP |
4984 | p = Allocate pages, preferring the node given as nid. When nid == NUMA_NO_NODE,* prefer the current CPU's closest node. Otherwise node must be valid and* online. |
4985 | If Not p Then Return NULL |
4987 | Return make_alloc_exact((unsignedlong)page_address(p), order, size) |
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