find_get_entry (9) - Linux Manuals

find_get_entry: find and get a page cache entry

NAME

find_get_entry - find and get a page cache entry

SYNOPSIS

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

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 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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