From 1738796994a439b0ea796847e3ceb8688dacd93d Mon Sep 17 00:00:00 2001
From: Vitaly Wool <vitaly.wool@konsulko.se>
Date: Wed, 6 Aug 2025 14:55:52 +0200
Subject: rust: support large alignments in allocations

Add support for large (> PAGE_SIZE) alignments in Rust allocators.  All
the preparations on the C side are already done, we just need to add
bindings for <alloc>_node_align() functions and start using those.

Link: https://lkml.kernel.org/r/20250806125552.1727073-1-vitaly.wool@konsulko.se
Signed-off-by: Vitaly Wool <vitaly.wool@konsulko.se>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Acked-by: Alice Ryhl <aliceryhl@google.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Jann Horn <jannh@google.com>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Uladzislau Rezki (Sony) <urezki@gmail.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 rust/helpers/vmalloc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'rust/helpers/vmalloc.c')

diff --git a/rust/helpers/vmalloc.c b/rust/helpers/vmalloc.c
index 62d30db9a1a6..7d7f7336b3d2 100644
--- a/rust/helpers/vmalloc.c
+++ b/rust/helpers/vmalloc.c
@@ -3,7 +3,8 @@
 #include <linux/vmalloc.h>
 
 void * __must_check __realloc_size(2)
-rust_helper_vrealloc_node(const void *p, size_t size, gfp_t flags, int node)
+rust_helper_vrealloc_node_align(const void *p, size_t size, unsigned long align,
+				gfp_t flags, int node)
 {
-	return vrealloc_node(p, size, flags, node);
+	return vrealloc_node_align(p, size, align, flags, node);
 }
-- 
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