find_lock_entry (9) - Linux Manuals
find_lock_entry: locate, pin and lock a page cache entry
NAME
find_lock_entry - locate, pin and lock a page cache entry
SYNOPSIS
-
struct page * find_lock_entry(struct address_space
* mapping, pgoff_toffset);
ARGUMENTS
mapping
-
- the address_space to search
offset
- the page cache index
DESCRIPTION
Looks up the page cache slot at mapping & offset. If there is a page cache page, it is returned locked and with an increased refcount.
If the slot holds a shadow entry of a previously evicted page, or a swap entry from shmem/tmpfs, it is returned.
Otherwise, NULL is returned.
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