diff options
Diffstat (limited to 'libpager/pager.h')
| -rw-r--r-- | libpager/pager.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libpager/pager.h b/libpager/pager.h index 3b1c7251..8c43ad0e 100644 --- a/libpager/pager.h +++ b/libpager/pager.h @@ -203,6 +203,16 @@ pager_write_page (struct user_pager_info *pager, vm_offset_t page, vm_address_t buf); +/* The user may define this function. For pager PAGER, synchronously + write potentially multiple pages from DATA to offset. + Do not deallocate DATA, and do not keep any references to DATA. + The only permissible error returns are EIO, EDQUOT, EOPNOTSUPP, and ENOSPC. */ +error_t pager_write_pages(struct user_pager_info *upi, + vm_offset_t offset, + vm_address_t data, + vm_size_t length, + vm_size_t *written); + /* The user must define this function. A page should be made writable. */ error_t pager_unlock_page (struct user_pager_info *pager, |