Lines Matching full:allocation

3 //! Implementation of the kernel's memory allocation infrastructure.
21 /// Indicates an allocation error.
69 /// Allocation flags.
80     /// Allow the allocation to be in high memory.
88     /// Users can not sleep and need the allocation to succeed.
99     /// The same as [`GFP_KERNEL`], except the allocation is accounted to kmemcg.
107     /// Suppresses allocation failure reports.
152 /// - A memory allocation returned from an allocator must remain valid until it is explicitly freed.
154 /// - Any pointer to a valid memory allocation must be valid to be passed to any other [`Allocator`]
186         // new memory allocation.  in alloc()
190     /// Re-allocate an existing memory allocation to satisfy the requested `layout` and
202     /// If the requested size is larger than the size of the existing allocation, a successful call
206     /// If the requested size is smaller than the size of the existing allocation, `realloc` may or
209     /// On allocation failure, the existing buffer, if any, remains valid.
215     /// - If `ptr == Some(p)`, then `p` must point to an existing and valid memory allocation
218     /// - `ptr` is allowed to be `None`; in this case a new memory allocation is created and
220     /// - `old_layout` must match the `Layout` the allocation has been created with.
238     /// Free an existing memory allocation.
242     /// - `ptr` must point to an existing and valid memory allocation created by this [`Allocator`];
245     /// - `layout` must match the `Layout` the allocation has been created with.
246     /// - The memory allocation at `ptr` must never again be read from or written to.
248         // SAFETY: The caller guarantees that `ptr` points at a valid allocation created by this  in free()
250         // smaller than or equal to the alignment previously used with this allocation.  in free()