Lines Matching defs:layout

27     /// `layout`.
28     pub fn aligned_layout(layout: Layout) -> Layout {
29         // Note that `layout.size()` (after padding) is guaranteed to be a multiple of
30         // `layout.align()` which together with the slab guarantees means that `Kmalloc` will return
32         layout.pad_to_align()
51         layout: Layout,
66         if layout.size() == 0 {
71                 crate::alloc::dangling_from_layout(layout),
91         let layout = layout.align_to(min_align).map_err(|_| AllocError)?;
92         let layout = layout.pad_to_align();
96         let dst = unsafe { libc_aligned_alloc(layout.align(), layout.size()) }.cast::<u8>();
101             // guarantee that `dst` points to memory of at least `layout.size()` bytes.
102             unsafe { dst.as_ptr().write_bytes(0, layout.size()) };
114                     cmp::min(layout.size(), old_layout.size()),
122         Ok(NonNull::slice_from_raw_parts(dst, layout.size()))