Function report | 
Source Code:mm\percpu.c | 
Create Date:2022-07-28 14:25:54 | 
| Last Modify:2022-05-23 13:52:24 | Copyright©Brick | 
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| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:pcpu_chunk_relocate - put chunk in the appropriate chunk slot*@chunk: chunk of interest*@oslot: the previous slot it was on* This function is called after an allocation or free changed @chunk
Proto:static void pcpu_chunk_relocate(struct pcpu_chunk *chunk, int oslot)
Type:void
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| struct pcpu_chunk * | chunk | |
| int | oslot | 
| 556 | nslot = pcpu_chunk_slot(chunk) | 
| Name | Describe | 
|---|---|
| pcpu_alloc_area | pcpu_alloc_area - allocates an area from a pcpu_chunk*@chunk: chunk of interest*@alloc_bits: size of request in allocation units*@align: alignment of area (max PAGE_SIZE)*@start: bit_off to start searching* This function takes in a @start offset to begin | 
| pcpu_free_area | pcpu_free_area - frees the corresponding offset*@chunk: chunk of interest*@off: addr offset into chunk* This function determines the size of an allocation to free using* the boundary bitmap and clears the allocation map. | 
| pcpu_alloc | pcpu_alloc - the percpu allocator*@size: size of area to allocate in bytes*@align: alignment of area (max PAGE_SIZE)*@reserved: allocate from the reserved chunk if available*@gfp: allocation flags* Allocate percpu area of @size bytes aligned at @align | 
| pcpu_balance_workfn | Balance work is used to populate or destroy chunks asynchronously. We* try to keep the number of populated free pages between* PCPU_EMPTY_POP_PAGES_LOW and HIGH for atomic allocations and at most one* empty chunk. | 
| pcpu_setup_first_chunk | pcpu_setup_first_chunk - initialize the first percpu chunk*@ai: pcpu_alloc_info describing how to percpu area is shaped*@base_addr: mapped address* Initialize the first percpu chunk which contains the kernel static* percpu area | 
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