On Sat, Sep 28, 2024 at 08:35:52PM +0100, Gary Guo wrote: > On Thu, 12 Sep 2024 00:52:58 +0200 > Danilo Krummrich <dakr@xxxxxxxxxx> wrote: > > > So far the kernel's `Box` and `Vec` types can't be used by userspace > > test cases, since all users of those types (e.g. `CString`) use kernel > > allocators for instantiation. > > > > In order to allow userspace test cases to make use of such types as > > well, implement the `Cmalloc` allocator within the allocator_test module > > and type alias all kernel allocators to `Cmalloc`. The `Cmalloc` > > allocator uses libc's realloc() function as allocator backend. > > I think this needs an explaination of why it needs a complex > implementation instead of just using aligned_alloc and free. The reason basically is that there's no `aligned_realloc` in libc. Anyways, it's gonna simplified by the introduction of `old_layout`. > > > > > Signed-off-by: Danilo Krummrich <dakr@xxxxxxxxxx> > > --- > > rust/kernel/alloc/allocator_test.rs | 193 +++++++++++++++++++++++++++- > > 1 file changed, 186 insertions(+), 7 deletions(-) >
