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slab: port kmem_cache_create_usercopy() to struct kmem_cache_args

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Port kmem_cache_create_usercopy() to struct kmem_cache_args and remove
the now unused do_kmem_cache_create_usercopy() helper.

Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
This commit is contained in:
Christian Brauner
2024-09-05 09:56:48 +02:00
committed by Vlastimil Babka
parent 9816c3c4e7
commit 1d3d7645d7
1 changed files with 8 additions and 22 deletions
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30
mm/slab_common.c
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@@ -351,26 +351,6 @@ struct kmem_cache *__kmem_cache_create_args(const char *name,
}
EXPORT_SYMBOL(__kmem_cache_create_args);
static struct kmem_cache *
do_kmem_cache_create_usercopy(const char *name,
unsigned int size, unsigned int freeptr_offset,
unsigned int align, slab_flags_t flags,
unsigned int useroffset, unsigned int usersize,
void (*ctor)(void *))
{
struct kmem_cache_args kmem_args = {
.align = align,
.use_freeptr_offset = freeptr_offset != UINT_MAX,
.freeptr_offset = freeptr_offset,
.useroffset = useroffset,
.usersize = usersize,
.ctor = ctor,
};
return __kmem_cache_create_args(name, size, &kmem_args, flags);
}
/**
* kmem_cache_create_usercopy - Create a cache with a region suitable
* for copying to userspace
@@ -405,8 +385,14 @@ kmem_cache_create_usercopy(const char *name, unsigned int size,
unsigned int useroffset, unsigned int usersize,
void (*ctor)(void *))
{
return do_kmem_cache_create_usercopy(name, size, UINT_MAX, align, flags,
useroffset, usersize, ctor);
struct kmem_cache_args kmem_args = {
.align = align,
.ctor = ctor,
.useroffset = useroffset,
.usersize = usersize,
};
return __kmem_cache_create_args(name, size, &kmem_args, flags);
}
EXPORT_SYMBOL(kmem_cache_create_usercopy);