table of contents
| __FIND_GET_PAGE(9) | Memory Management in Linux | __FIND_GET_PAGE(9) |
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.
COPYRIGHT¶
| June 2023 | Kernel Hackers Manual 3.10 |