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authorDanilo Krummrich <dakr@kernel.org>2024-08-09 01:32:56 +0200
committerDanilo Krummrich <dakr@kernel.org>2024-08-13 16:05:08 +0200
commit340b681e68eea311c77320f9bb81514b4b6a937a (patch)
tree79bb561b8f7ac2ed1b8592a4cafcf3bc6067e2c1
parenta9c0b305ddc1d6415506d26d153386f96f7d3a87 (diff)
rust: alloc: add __GFP_NOWARN to `Flags`
Some test cases in subsequent patches provoke allocation failures. Add `__GFP_NOWARN` to enable test cases to silence unpleasant warnings. Signed-off-by: Danilo Krummrich <dakr@kernel.org>
-rw-r--r--rust/bindings/bindings_helper.h1
-rw-r--r--rust/kernel/alloc.rs5
2 files changed, 6 insertions, 0 deletions
diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h
index b1ff75417c4f..ec5e96909214 100644
--- a/rust/bindings/bindings_helper.h
+++ b/rust/bindings/bindings_helper.h
@@ -37,4 +37,5 @@ 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 f0c80ab78602..295107777a12 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.