6.12-stable review patch. If anyone has any objections, please let me know.
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From: Danilo Krummrich dakr@kernel.org
commit 01b2196e5aac8af9343282d0044fa0d6b07d484c upstream.
Some test cases in subsequent patches provoke allocation failures. Add `__GFP_NOWARN` to enable test cases to silence unpleasant warnings.
Reviewed-by: Alice Ryhl aliceryhl@google.com Reviewed-by: Benno Lossin benno.lossin@proton.me Reviewed-by: Gary Guo gary@garyguo.net Signed-off-by: Danilo Krummrich dakr@kernel.org Link: https://lore.kernel.org/r/20241004154149.93856-11-dakr@kernel.org Signed-off-by: Miguel Ojeda ojeda@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- rust/bindings/bindings_helper.h | 1 + rust/kernel/alloc.rs | 5 +++++ 2 files changed, 6 insertions(+)
--- a/rust/bindings/bindings_helper.h +++ b/rust/bindings/bindings_helper.h @@ -31,4 +31,5 @@ const gfp_t RUST_CONST_HELPER_GFP_KERNEL const gfp_t RUST_CONST_HELPER_GFP_NOWAIT = GFP_NOWAIT; const gfp_t RUST_CONST_HELPER___GFP_ZERO = __GFP_ZERO; const gfp_t RUST_CONST_HELPER___GFP_HIGHMEM = ___GFP_HIGHMEM; +const gfp_t RUST_CONST_HELPER___GFP_NOWARN = ___GFP_NOWARN; const blk_features_t RUST_CONST_HELPER_BLK_FEAT_ROTATIONAL = BLK_FEAT_ROTATIONAL; --- a/rust/kernel/alloc.rs +++ b/rust/kernel/alloc.rs @@ -91,6 +91,11 @@ pub mod flags { /// use any filesystem callback. It is very likely to fail to allocate memory, even for very /// small allocations. pub const GFP_NOWAIT: Flags = Flags(bindings::GFP_NOWAIT); + + /// Suppresses allocation failure reports. + /// + /// This is normally or'd with other flags. + pub const __GFP_NOWARN: Flags = Flags(bindings::__GFP_NOWARN); }
/// The kernel's [`Allocator`] trait.