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Tue, 1 Oct 2024 15:01:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1727794870; bh=k3fbnNVumq3p6Zkau+316hxp1LWKMWboxrOE8MJqOiY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eX/pCXoPRhyOmXYyOPVzht3yy9z5YJVXCN4wjr6d0yZ3yRhqbVpOK25ffqa0UL8Iy f3jGHRHK+mesXMDFknMJiYadA36F0PrGV7JQzdGjGpdOiuR0/AXauGiCWavvjZzAu0 XBlwh/zdQtHtokWbfzMxPkdizphnoHAedrV+PhPp60PdVsRQaESFMf6+b5Aib0o2+2 XS1Qg16naWyV26GPvVV96HcRXkKXbiNvgNLvtYgqiCR4ezElSU/ZJ3cdL6YA4xUVM+ o+ZWGeatWYieA1tRRrkYnBwQiaL7zro2CFal/Ere6tpWcsfasea0dqtxywBDrgo1mo VH97ydCLtiWeA== From: Danilo Krummrich To: ojeda@kernel.org, alex.gaynor@gmail.com, wedsonaf@gmail.com, boqun.feng@gmail.com, gary@garyguo.net, bjorn3_gh@protonmail.com, benno.lossin@proton.me, a.hindborg@samsung.com, aliceryhl@google.com, akpm@linux-foundation.org Cc: daniel.almeida@collabora.com, faith.ekstrand@collabora.com, boris.brezillon@collabora.com, lina@asahilina.net, mcanal@igalia.com, zhiw@nvidia.com, cjia@nvidia.com, jhubbard@nvidia.com, airlied@redhat.com, ajanulgu@redhat.com, lyude@redhat.com, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-mm@kvack.org, Danilo Krummrich Subject: [PATCH v8 10/29] rust: alloc: add __GFP_NOWARN to `Flags` Date: Tue, 1 Oct 2024 16:59:45 +0200 Message-ID: <20241001150008.183102-11-dakr@kernel.org> X-Mailer: git-send-email 2.46.1 In-Reply-To: <20241001150008.183102-1-dakr@kernel.org> References: <20241001150008.183102-1-dakr@kernel.org> MIME-Version: 1.0 X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: 81041100015 X-Stat-Signature: rarm75zwzrpejhshcuc6m7ea6htikewo X-HE-Tag: 1727794871-320925 X-HE-Meta: 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 UudeHiVR T1aMCD6V03JUDx1UELaoeiINF4HgVfqk0wjU25KXhtpwRdLJgYz3m6bjYb06oNpOrjHUpVv3pZp4cdZyBOT2lgNp/l0cjPSApfc4vLwj7zlsWmCXCMn/KX6bEki3nbitoDLKLtvpx6ctJsVS++FyWzVH2HIsJVO3n8CoSxQbwVhwiMHMhshYIHrvKZrfQ7IDtHR6A+B/hqndSw9wvHBzhXlj0GKjlGIQqgHVVg4rjbN6wVoaZo/3CIXTEe51cDUwiIK4YmcqSzezQuj5MV9LDw/aavTiNm+HLAhqNQspfczb68XP9kJ16A6K4gExkDEUsI0vFs5+618GTCteFu/TgSgLRwqToGEyWA+cz22XWUhLiSQpk9LGdpu+VjrzploFXCx66bUsNAGS/tZvuAJo5Ncbmr/Pb4Q6myDmXdKJGRvcBUAVKy+fjDqkq9w== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Some test cases in subsequent patches provoke allocation failures. Add `__GFP_NOWARN` to enable test cases to silence unpleasant warnings. Reviewed-by: Alice Ryhl Reviewed-by: Benno Lossin Reviewed-by: Gary Guo Signed-off-by: Danilo Krummrich --- 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 f8ddc8d96da9..97defee1d6a1 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.