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rust: alloc: add __GFP_NOWARN to Flags

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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>
This commit is contained in:
Danilo Krummrich
2024-10-04 17:41:14 +02:00
committed by Miguel Ojeda
parent 8362c2608b
commit 01b2196e5a
2 changed files with 6 additions and 0 deletions
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1
rust/bindings/bindings_helper.h
View File

@@ -31,4 +31,5 @@ const gfp_t RUST_CONST_HELPER_GFP_KERNEL_ACCOUNT = GFP_KERNEL_ACCOUNT;
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;

5
rust/kernel/alloc.rs
View File

@@ -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.