Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

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:

TypeParameterName
struct zbud_header *zhdr
enum buddybud
270  handle = zhdr
271  If bud == FIRST Then handle += ZHDR_SIZE_ALIGNED
274  Else handle += PAGE_SIZE - (last_chunks << CHUNK_SHIFT)
276  Return handle
Caller
NameDescribe
zbud_alloczbud_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_pagezbud_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