FIND_LOCK_PAGE(9) Memory Management in Linux FIND_LOCK_PAGE(9)
NAME
find_lock_page - locate, pin and lock a pagecache page
SYNOPSIS
struct page * find_lock_page(struct address_space * mapping, pgoff_t offset);
ARGUMENTS
mapping
the address_space to search
offset
the page 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.
Otherwise, NULL is returned.
find_lock_page may sleep.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 FIND_LOCK_PAGE(9)