| Message ID | 20240911225449.152928-9-dakr@kernel.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Generic `Allocator` support for Rust | expand |
On Thu, 12 Sep 2024 00:52:44 +0200 Danilo Krummrich <dakr@kernel.org> wrote: > 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> > Signed-off-by: Danilo Krummrich <dakr@kernel.org> Reviewed-by: Gary Guo <gary@garyguo.net> > --- > rust/bindings/bindings_helper.h | 1 + > rust/kernel/alloc.rs | 5 +++++ > 2 files changed, 6 insertions(+) > > diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h > index ae82e9c941af..a80783fcbe04 100644 > --- a/rust/bindings/bindings_helper.h > +++ b/rust/bindings/bindings_helper.h > @@ -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; > diff --git a/rust/kernel/alloc.rs b/rust/kernel/alloc.rs > index da025faf07f8..7a405d6f3034 100644 > --- 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.
diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h index ae82e9c941af..a80783fcbe04 100644 --- a/rust/bindings/bindings_helper.h +++ b/rust/bindings/bindings_helper.h @@ -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; diff --git a/rust/kernel/alloc.rs b/rust/kernel/alloc.rs index da025faf07f8..7a405d6f3034 100644 --- 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.