linux-kernel - [PATCH 38/46] rust: slab: add __rust

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Message-ID: <20251202-define-rust-helper-v1-38-a2e13cbc17a6@google.com>
Date: Tue, 02 Dec 2025 19:38:02 +0000
From: Alice Ryhl <aliceryhl@...gle.com>
To: rust-for-linux@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, Alice Ryhl <aliceryhl@...gle.com>, 
	Vlastimil Babka <vbabka@...e.cz>, Andrew Morton <akpm@...ux-foundation.org>, 
	Christoph Lameter <cl@...two.org>, David Rientjes <rientjes@...gle.com>, 
	Vitaly Wool <vitaly.wool@...sulko.se>, Danilo Krummrich <dakr@...nel.org>
Subject: [PATCH 38/46] rust: slab: add __rust_helper to helpers

This is needed to inline these helpers into Rust code.

Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>
---
Cc: Vlastimil Babka <vbabka@...e.cz>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Christoph Lameter <cl@...two.org>
Cc: David Rientjes <rientjes@...gle.com>
Cc: Vitaly Wool <vitaly.wool@...sulko.se>
Cc: Danilo Krummrich <dakr@...nel.org>
---
 rust/helpers/slab.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/rust/helpers/slab.c b/rust/helpers/slab.c
index 7fac958907b0a7cbb28ef3a8a56e0cc10d39288f..970161023d8885935f2116fe81949d0ed622f9e9 100644
--- a/rust/helpers/slab.c
+++ b/rust/helpers/slab.c
@@ -2,16 +2,18 @@
 
 #include <linux/slab.h>
 
-void * __must_check __realloc_size(2)
-rust_helper_krealloc_node_align(const void *objp, size_t new_size, unsigned long align,
-				gfp_t flags, int node)
+__rust_helper void *__must_check __realloc_size(2)
+	rust_helper_krealloc_node_align(const void *objp, size_t new_size,
+					unsigned long align, gfp_t flags,
+					int node)
 {
 	return krealloc_node_align(objp, new_size, align, flags, node);
 }
 
-void * __must_check __realloc_size(2)
-rust_helper_kvrealloc_node_align(const void *p, size_t size, unsigned long align,
-				 gfp_t flags, int node)
+__rust_helper void *__must_check __realloc_size(2)
+	rust_helper_kvrealloc_node_align(const void *p, size_t size,
+					 unsigned long align, gfp_t flags,
+					 int node)
 {
 	return kvrealloc_node_align(p, size, align, flags, node);
 }

-- 
2.52.0.158.g65b55ccf14-goog