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author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2025-09-28 00:10:34 +0200 |
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committer | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2025-09-28 00:10:34 +0200 |
commit | c07b3e60b4d853056f696c449d4d47701dc9f36f (patch) | |
tree | 96f9f6b2364d488f1a727365512f24270eb78d72 /rust/kernel/alloc/allocator_test.rs | |
parent | c149841b069ccc6e480b00e11f35a57b5d88c7bb (diff) | |
parent | 217f92d91c9faeb6b78bd6205b3585944cbcb433 (diff) |
Merge tag 'i2c-host-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-mergewindow
i2c-host for v6.18
- Add support for MediaTek MT6878 I2C
- Drop support for S3C2410
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; |