Function report |
Source Code:mm\zbud.c |
Create Date:2022-07-28 16:25:40 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:Encodes the handle of a particular buddy within a zbud page* Pool lock should be held as this function accesses first|last_chunks
Proto:static unsigned long encode_handle(struct zbud_header *zhdr, enum buddy bud)
Type:unsigned long
Parameter:
Type | Parameter | Name |
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struct zbud_header * | zhdr | |
enum buddy | bud |
271 | If bud == FIRST Then handle += ZHDR_SIZE_ALIGNED |
274 | Else handle += PAGE_SIZE - (last_chunks << CHUNK_SHIFT) |
276 | Return handle |
Name | Describe |
---|---|
zbud_alloc | zbud_alloc() - allocates a region of a given size*@pool: zbud pool from which to allocate*@size: size in bytes of the desired allocation*@gfp: gfp flags used if the pool needs to grow*@handle: handle of the new allocation* This function will attempt to |
zbud_reclaim_page | zbud_reclaim_page() - evicts allocations from a pool page and frees it*@pool: pool from which a page will attempt to be evicted*@retries: number of pages on the LRU list for which eviction will* be attempted before failing* zbud reclaim is different from |
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