diff options
| author | Vitaly Wool <vitaly.wool@konsulko.se> | 2025-08-06 14:55:22 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-09-13 16:54:46 -0700 |
| commit | 7760b6421b6c1b49550885ecdfa9cf720ead6eed (patch) | |
| tree | 64fcaa0754c54f04ec8706cb4b0b047eb9faf89b /rust/kernel/alloc/allocator_test.rs | |
| parent | 2cd8231796b5e7133b1c3d66ad7d2a3c42c97258 (diff) | |
rust: add support for NUMA ids in allocations
Add a new type to support specifying NUMA identifiers in Rust allocators
and extend the allocators to have NUMA id as a parameter. Thus, modify
ReallocFunc to use the new extended realloc primitives from the C side of
the kernel (i.e. k[v]realloc_node_align/vrealloc_node_align) and add the
new function alloc_node to the Allocator trait while keeping the existing
one (alloc) for backward compatibility.
This will allow to specify node to use for allocation of e. g. {KV}Box,
as well as for future NUMA aware users of the API.
[ojeda@kernel.org: fix missing import needed for `rusttest`]
Link: https://lkml.kernel.org/r/20250816210214.2729269-1-ojeda@kernel.org
Link: https://lkml.kernel.org/r/20250806125522.1726992-1-vitaly.wool@konsulko.se
Signed-off-by: Vitaly Wool <vitaly.wool@konsulko.se>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Acked-by: Alice Ryhl <aliceryhl@google.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Jann Horn <jannh@google.com>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Uladzislau Rezki (Sony) <urezki@gmail.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'rust/kernel/alloc/allocator_test.rs')
| -rw-r--r-- | rust/kernel/alloc/allocator_test.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/rust/kernel/alloc/allocator_test.rs b/rust/kernel/alloc/allocator_test.rs index 90dd987d40e4..2e61cdbd2303 100644 --- a/rust/kernel/alloc/allocator_test.rs +++ b/rust/kernel/alloc/allocator_test.rs @@ -9,7 +9,7 @@ #![allow(missing_docs)] -use super::{flags::*, AllocError, Allocator, Flags}; +use super::{flags::*, AllocError, Allocator, Flags, NumaNode}; use core::alloc::Layout; use core::cmp; use core::ptr; @@ -51,6 +51,7 @@ unsafe impl Allocator for Cmalloc { layout: Layout, old_layout: Layout, flags: Flags, + _nid: NumaNode, ) -> Result<NonNull<[u8]>, AllocError> { let src = match ptr { Some(src) => { |