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Message-ID: <20240429123351.03b44797@canb.auug.org.au>
Date: Mon, 29 Apr 2024 12:33:51 +1000
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: David Miller <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>, Andrew Morton <akpm@...ux-foundation.org>
Cc: Networking <netdev@...r.kernel.org>, Alexander Lobakin
<aleksander.lobakin@...el.com>, Kent Overstreet
<kent.overstreet@...ux.dev>, Linux Kernel Mailing List
<linux-kernel@...r.kernel.org>, Linux Next Mailing List
<linux-next@...r.kernel.org>, Randy Dunlap <rdunlap@...radead.org>, Suren
Baghdasaryan <surenb@...gle.com>, Tony Nguyen <anthony.l.nguyen@...el.com>
Subject: Re: linux-next: manual merge of the net-next tree with the mm tree
Hi all,
On Mon, 29 Apr 2024 11:43:02 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Today's linux-next merge of the net-next tree got a conflict in:
>
> include/linux/slab.h
>
> between commit:
>
> 7bd230a26648 ("mm/slab: enable slab allocation tagging for kmalloc and friends")
>
> from the mm_unstable branch of the mm tree and commit:
>
> a1d6063d9f2f ("slab: introduce kvmalloc_array_node() and kvcalloc_node()")
>
> from the net-next tree.
>
> I fixed it up (maybe? see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging. You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
I tried again, see below.
--
Cheers,
Stephen Rothwell
diff --cc include/linux/slab.h
index 4cc37ef22aae,d1d1fa5e7983..88426b015faa
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@@ -773,40 -744,66 +773,54 @@@ static inline __alloc_size(1, 2) void *
* @size: how many bytes of memory are required.
* @flags: the type of memory to allocate (see kmalloc).
*/
-static inline __alloc_size(1) void *kzalloc(size_t size, gfp_t flags)
+static inline __alloc_size(1) void *kzalloc_noprof(size_t size, gfp_t flags)
{
- return kmalloc(size, flags | __GFP_ZERO);
+ return kmalloc_noprof(size, flags | __GFP_ZERO);
}
+#define kzalloc(...) alloc_hooks(kzalloc_noprof(__VA_ARGS__))
+#define kzalloc_node(_size, _flags, _node) kmalloc_node(_size, (_flags)|__GFP_ZERO, _node)
-/**
- * kzalloc_node - allocate zeroed memory from a particular memory node.
- * @size: how many bytes of memory are required.
- * @flags: the type of memory to allocate (see kmalloc).
- * @node: memory node from which to allocate
- */
-static inline __alloc_size(1) void *kzalloc_node(size_t size, gfp_t flags, int node)
-{
- return kmalloc_node(size, flags | __GFP_ZERO, node);
-}
+extern void *kvmalloc_node_noprof(size_t size, gfp_t flags, int node) __alloc_size(1);
+#define kvmalloc_node(...) alloc_hooks(kvmalloc_node_noprof(__VA_ARGS__))
-extern void *kvmalloc_node(size_t size, gfp_t flags, int node) __alloc_size(1);
-static inline __alloc_size(1) void *kvmalloc(size_t size, gfp_t flags)
-{
- return kvmalloc_node(size, flags, NUMA_NO_NODE);
-}
-static inline __alloc_size(1) void *kvzalloc_node(size_t size, gfp_t flags, int node)
-{
- return kvmalloc_node(size, flags | __GFP_ZERO, node);
-}
-static inline __alloc_size(1) void *kvzalloc(size_t size, gfp_t flags)
-{
- return kvmalloc(size, flags | __GFP_ZERO);
-}
+#define kvmalloc(_size, _flags) kvmalloc_node(_size, _flags, NUMA_NO_NODE)
+#define kvmalloc_noprof(_size, _flags) kvmalloc_node_noprof(_size, _flags, NUMA_NO_NODE)
+#define kvzalloc(_size, _flags) kvmalloc(_size, _flags|__GFP_ZERO)
-static inline __alloc_size(1, 2) void *
-kvmalloc_array_node(size_t n, size_t size, gfp_t flags, int node)
+#define kvzalloc_node(_size, _flags, _node) kvmalloc_node(_size, _flags|__GFP_ZERO, _node)
+
- static inline __alloc_size(1, 2) void *kvmalloc_array_noprof(size_t n, size_t size, gfp_t flags)
++static inline __alloc_size(1, 2) void *kvmalloc_array_node_noprof(size_t n, size_t size, gfp_t flags, int node)
{
size_t bytes;
if (unlikely(check_mul_overflow(n, size, &bytes)))
return NULL;
- return kvmalloc_node_noprof(bytes, flags, NUMA_NO_NODE);
- return kvmalloc_node(bytes, flags, node);
++ return kvmalloc_node_noprof(bytes, flags, node);
+ }
+
++#define kvmalloc_array_node(...) alloc_hooks(kvmalloc_array_node_noprof(__VA_ARGS__))
++
+ static inline __alloc_size(1, 2) void *
+ kvmalloc_array(size_t n, size_t size, gfp_t flags)
+ {
+ return kvmalloc_array_node(n, size, flags, NUMA_NO_NODE);
+ }
++#define kvmalloc_array_noprof(_n, _size, _flags) kvmalloc_array(_n, _size, _flags)
+
+ static inline __alloc_size(1, 2) void *
+ kvcalloc_node(size_t n, size_t size, gfp_t flags, int node)
+ {
- return kvmalloc_array_node(n, size, flags | __GFP_ZERO, node);
++ return kvmalloc_array_node_noprof(n, size, flags | __GFP_ZERO, node);
}
- #define kvmalloc_array(...) alloc_hooks(kvmalloc_array_noprof(__VA_ARGS__))
-static inline __alloc_size(1, 2) void *kvcalloc(size_t n, size_t size, gfp_t flags)
-{
- return kvmalloc_array(n, size, flags | __GFP_ZERO);
-}
+#define kvcalloc(_n, _size, _flags) kvmalloc_array(_n, _size, _flags|__GFP_ZERO)
- #define kvcalloc_noprof(_n, _size, _flags) kvmalloc_array_noprof(_n, _size, _flags|__GFP_ZERO)
++#define kvcalloc_noprof(_n, _size, _flags) kvmalloc_array_node_noprof(_n, _size, _flags|__GFP_ZERO)
-extern void *kvrealloc(const void *p, size_t oldsize, size_t newsize, gfp_t flags)
+extern void *kvrealloc_noprof(const void *p, size_t oldsize, size_t newsize, gfp_t flags)
__realloc_size(3);
+#define kvrealloc(...) alloc_hooks(kvrealloc_noprof(__VA_ARGS__))
+
extern void kvfree(const void *addr);
DEFINE_FREE(kvfree, void *, if (_T) kvfree(_T))
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