find_get_page(9) find and get a page reference

SYNOPSIS

struct page * find_get_page(struct address_space * mapping, pgoff_t offset);

ARGUMENTS

mapping

the address_space to search

offset

the page index

DESCRIPTION

Is there a pagecache struct page at the given (mapping, offset) tuple? If yes, increment its refcount and return it; if no, return NULL.

COPYRIGHT