Since linux-next commit fe1e19081321 ("mm: Split slab into its own type"),
the struct slab is used for both SLAB and SLUB. Therefore, don't depend
on the non-presence of the struct slab to decide whether SLAB implementation
should be chosen and use the member variable "cpu_slab" of the struct
kmem_cache instead, it should be present only in SLUB.
Signed-off-by: Alexander Egorenkov <egorenar@xxxxxxxxxxxxx>
---
memory.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/memory.c b/memory.c
index 86c02c132890..5af45fd7d834 100644
--- a/memory.c
+++ b/memory.c
@@ -576,7 +576,8 @@ vm_init(void)
STRUCT_SIZE_INIT(cpucache_s, "cpucache_s");
} else if (!VALID_STRUCT(kmem_slab_s) &&
- !VALID_STRUCT(slab_s) &&
+ !VALID_STRUCT(slab_s) &&
+ !MEMBER_EXISTS("kmem_cache", "cpu_slab") &&
(VALID_STRUCT(slab) || (vt->flags & SLAB_OVERLOAD_PAGE))) {
vt->flags |= PERCPU_KMALLOC_V2;
--
2.31.1
--
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