diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2025-06-12 10:08:24 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-08-29 11:48:01 -0700 |
| commit | d23ad54de795ec0054f90ecb03b41e8f2c410f3a (patch) | |
| tree | 93ee9c1bfac4b54c567cc613039d4898cac04871 /rust/kernel/alloc/allocator_test.rs | |
| parent | 29828b81a46a3ae55ebc053fce512219172560ba (diff) | |
| parent | 9c736ace0666efe68efd53fcdfa2c6653c3e0e72 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.17-rc4).
No conflicts.
Adjacent changes:
drivers/net/ethernet/intel/idpf/idpf_txrx.c
02614eee26fb ("idpf: do not linearize big TSO packets")
6c4e68480238 ("idpf: remove obsolete stashing code")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'rust/kernel/alloc/allocator_test.rs')
| -rw-r--r-- | rust/kernel/alloc/allocator_test.rs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/rust/kernel/alloc/allocator_test.rs b/rust/kernel/alloc/allocator_test.rs index a3074480bd8d..90dd987d40e4 100644 --- a/rust/kernel/alloc/allocator_test.rs +++ b/rust/kernel/alloc/allocator_test.rs @@ -22,6 +22,17 @@ pub type Kmalloc = Cmalloc; pub type Vmalloc = Kmalloc; pub type KVmalloc = Kmalloc; +impl Cmalloc { + /// Returns a [`Layout`] that makes [`Kmalloc`] fulfill the requested size and alignment of + /// `layout`. + pub fn aligned_layout(layout: Layout) -> Layout { + // Note that `layout.size()` (after padding) is guaranteed to be a multiple of + // `layout.align()` which together with the slab guarantees means that `Kmalloc` will return + // a properly aligned object (see comments in `kmalloc()` for more information). + layout.pad_to_align() + } +} + extern "C" { #[link_name = "aligned_alloc"] fn libc_aligned_alloc(align: usize, size: usize) -> *mut crate::ffi::c_void; |