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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-08-25 09:20:17 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-08-25 09:20:17 +0200 |
| commit | 5b9057cfafaaabc3c91a4e3e3bec024651737e66 (patch) | |
| tree | 01ea4e7ac0d3303cd3dcb4ad63884cd67b577e0e /rust/kernel/alloc/allocator_test.rs | |
| parent | 73c94172e278197fbed9f6a7b7550edc5bc1fbad (diff) | |
| parent | 1b237f190eb3d36f52dffe07a40b5eb210280e00 (diff) | |
Merge 6.17-rc3 into char-misc-next
We need the char/misc/iio fixes in here as well to build on.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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; |
