diff options
| author | Kent Overstreet <kent.overstreet@gmail.com> | 2017-01-08 00:13:18 -0900 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@gmail.com> | 2017-01-20 09:07:08 -0900 |
| commit | b33fc8298f7e13226b9895abc57c9bfce5e3fa2d (patch) | |
| tree | a3d2a5a909b6372f7777c1c5c18cef5f81d123a9 /include/linux/page.h | |
| parent | 7f4191a202ea4558ca2d5eb8a47daea33c9999c7 (diff) | |
bcache in userspace; userspace fsck
Diffstat (limited to 'include/linux/page.h')
| -rw-r--r-- | include/linux/page.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/page.h b/include/linux/page.h new file mode 100644 index 0000000..c99d9de --- /dev/null +++ b/include/linux/page.h @@ -0,0 +1,18 @@ +#ifndef _LINUX_PAGE_H +#define _LINUX_PAGE_H + +#include <sys/user.h> + +struct page; + +#define virt_to_page(kaddr) ((struct page *) (kaddr)) +#define page_address(kaddr) ((void *) (kaddr)) + +#define kmap_atomic(page) page_address(page) +#define kunmap_atomic(addr) do {} while (0) + +static const char zero_page[PAGE_SIZE]; + +#define ZERO_PAGE(o) ((struct page *) &zero_page[0]) + +#endif /* _LINUX_PAGE_H */ |