Name
__find_get_page —
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
Looks up the page cache slot at mapping & offset. If there is a
page cache page, it is returned 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.