swp_entry

函数名称：Store a type+offset into a swp_entry_t in an arch-independent format

函数原型：static inline swp_entry_t swp_entry(unsigned long type, unsigned long offset)

返回类型：swp_entry_t

参数：

类型	参数	名称
unsigned long	type
unsigned long	offset

33

val等于type左移swapcache pages are stored in the swapper_space radix tree位按位或offset按位与SWP_OFFSET_MASK

34

返回:ret

**调用者**
名称	描述
alloc_swapdev_block	alloc_swapdev_block - allocate a swap page and register that it has* been allocated, so that it can be freed in case of an error.
free_all_swap_pages	_all_swap_pages - free swap pages allocated for saving image data.* It also frees the extents used to register which swap entries had been* allocated.
total_swapcache_pages
swap_cluster_readahead	swap_cluster_readahead - swap in pages in hope we need them soon@entry: swap entry of this memory@gfp_mask: memory allocation flags@vmf: fault information Returns the struct page for entry and addr, after queueing swapin.
__try_to_reclaim_swap	rns 1 if swap entry is freed
scan_swap_map_slots
swap_alloc_cluster
get_swap_page_of_type	The only caller of this function is now suspend routine
try_to_unuse	If the boolean frontswap is true, only unuse pages_to_unuse pages;* pages_to_unuse==0 means all pages; ignored if frontswap is false
generic_max_swapfile_size	Find out how many pages are allowed for a single swap device
zswap_frontswap_store	attempts to compress and store an single page
pte_to_swp_entry	Convert the arch-dependent pte representation of a swp_entry_t into an* arch-independent swp_entry_t.
make_device_private_entry
make_device_private_entry_read
make_migration_entry
make_migration_entry_read
pmd_to_swp_entry
make_hwpoison_entry	Support for hardware poisoned pages

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码