From: Alexey Dobriyan <adobriyan@xxxxxxxxx> Subject: slab: make create_boot_cache() work with 32-bit sizes struct kmem_cache::size has always been "int", all those "size_t size" are fake. Link: http://lkml.kernel.org/r/20180305200730.15812-5-adobriyan@xxxxxxxxx Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx> Cc: Christoph Lameter <cl@xxxxxxxxx> Cc: Pekka Enberg <penberg@xxxxxxxxxx> Cc: David Rientjes <rientjes@xxxxxxxxxx> Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/slab.h | 4 ++-- mm/slab_common.c | 7 ++++--- 2 files changed, 6 insertions(+), 5 deletions(-) diff -puN mm/slab_common.c~slab-make-create_boot_cache-work-with-32-bit-sizes mm/slab_common.c --- a/mm/slab_common.c~slab-make-create_boot_cache-work-with-32-bit-sizes +++ a/mm/slab_common.c @@ -917,8 +917,9 @@ bool slab_is_available(void) #ifndef CONFIG_SLOB /* Create a cache during boot when no slab services are available yet */ -void __init create_boot_cache(struct kmem_cache *s, const char *name, size_t size, - slab_flags_t flags, size_t useroffset, size_t usersize) +void __init create_boot_cache(struct kmem_cache *s, const char *name, + unsigned int size, slab_flags_t flags, + unsigned int useroffset, unsigned int usersize) { int err; @@ -933,7 +934,7 @@ void __init create_boot_cache(struct kme err = __kmem_cache_create(s, flags); if (err) - panic("Creation of kmalloc slab %s size=%zu failed. Reason %d\n", + panic("Creation of kmalloc slab %s size=%u failed. Reason %d\n", name, size, err); s->refcount = -1; /* Exempt from merging for now */ diff -puN mm/slab.h~slab-make-create_boot_cache-work-with-32-bit-sizes mm/slab.h --- a/mm/slab.h~slab-make-create_boot_cache-work-with-32-bit-sizes +++ a/mm/slab.h @@ -97,8 +97,8 @@ struct kmem_cache *create_kmalloc_cache( slab_flags_t flags, unsigned int useroffset, unsigned int usersize); extern void create_boot_cache(struct kmem_cache *, const char *name, - size_t size, slab_flags_t flags, size_t useroffset, - size_t usersize); + unsigned int size, slab_flags_t flags, + unsigned int useroffset, unsigned int usersize); int slab_unmergeable(struct kmem_cache *s); struct kmem_cache *find_mergeable(size_t size, size_t align, _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
