swap_count

Name:swap_count

Proto:static inline unsigned char swap_count(unsigned char ent)

Type:unsigned char

Parameter:

Type	Parameter	Name
unsigned char	ent

113

Return ent & ~Flag page is cached, in first swap_map

**Caller**
Name	Describe
page_swapcount	How many references to page are currently swapped out?* This does not give an exact answer when swap count is continued,* but does include the high COUNT_CONTINUED flag to allow for that.
__swap_count
swap_swapcount
swp_swapcount	How many references to @entry are currently swapped out?* This considers COUNT_CONTINUED so it returns exact answer.
swap_page_trans_huge_swapped
page_trans_huge_map_swapcount
find_next_to_unuse	Scan swap_map (or frontswap_map if frontswap parameter is true)* from current position to next entry still in use. Return 0* if there are no inuse entries after prev till end of the map.
__swap_duplicate	Verify that a swap entry is valid and increment its swap map count.* Returns error code in following case.* - success -> 0* - swp_entry is invalid -> EINVAL* - swp_entry is migration entry -> EINVAL

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