rust/kernel/page.rs

60 /// Representation of a non-owning reference to a [`Page`].
62 /// This type provides a borrowed version of a [`Page`] that is owned by some other entity, e.g. a
69 /// use kernel::page::{BorrowedPage, Page, PAGE_SIZE};
102 pub struct BorrowedPage<'a>(ManuallyDrop<Page>, PhantomData<&'a Page>);
112         let page = Page { page: ptr };
121     type Target = Page;
145 pub struct Page {
151 unsafe impl Send for Page {}
155 unsafe impl Sync for Page {}
157 impl Page {
165     /// use kernel::page::Page;
167     /// let page = Page::alloc_page(GFP_KERNEL)?;
174     /// use kernel::page::Page;
176     /// let page = Page::alloc_page(GFP_KERNEL | __GFP_ZERO)?;
186         // allocated page. We transfer that ownership to the new `Page` object.
218         // SAFETY: `page` is valid due to the type invariants on `Page`.
367 impl Drop for Page {