Lines Matching refs:layout

8 pub mod layout;
169     /// the requested layout has a smaller alignment.
172     /// Allocate memory based on `layout`, `flags` and `nid`.
174     /// On success, returns a buffer represented as `NonNull<[u8]>` that satisfies the layout
175     /// constraints (i.e. minimum size and alignment as specified by `layout`).
182     /// - valid for reads and writes for `layout.size()` bytes, until it is passed to
184     /// - aligned to `layout.align()`,
188     fn alloc(layout: Layout, flags: Flags, nid: NumaNode) -> Result<NonNull<[u8]>, AllocError> {
191         unsafe { Self::realloc(None, layout, Layout::new::<()>(), flags, nid) }
194     /// Re-allocate an existing memory allocation to satisfy the requested `layout` and
231     ///   and old size, i.e. `ret_ptr[0..min(layout.size(), old_layout.size())] ==
232     ///   p[0..min(layout.size(), old_layout.size())]`.
236         layout: Layout,
249     /// - `layout` must match the `Layout` the allocation has been created with.
251     unsafe fn free(ptr: NonNull<u8>, layout: Layout) {
259                 layout,
267 /// Returns a properly aligned dangling pointer from the given `layout`.
268 pub(crate) fn dangling_from_layout(layout: Layout) -> NonNull<u8> {
269     let ptr = layout.align() as *mut u8;
271     // SAFETY: `layout.align()` (and hence `ptr`) is guaranteed to be non-zero.