add header includion for CONFIG_LIB to wrap kmalloc and co. This will
bring malloc(3) based allocator used by arch/lib.
Signed-off-by: Hajime Tazaki <tazaki@xxxxxxxxxxxxxx>
---
include/linux/slab.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 9a139b6..6914e1f 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -205,6 +205,14 @@ size_t ksize(const void *);
#endif
#endif
+#ifdef CONFIG_LIB
+#define KMALLOC_SHIFT_MAX 30
+#define KMALLOC_SHIFT_HIGH PAGE_SHIFT
+#ifndef KMALLOC_SHIFT_LOW
+#define KMALLOC_SHIFT_LOW 3
+#endif
+#endif
+
/* Maximum allocatable size */
#define KMALLOC_MAX_SIZE (1UL << KMALLOC_SHIFT_MAX)
/* Maximum size for which we actually use a slab cache */
@@ -350,6 +358,9 @@ kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order)
}
#endif
+#ifdef CONFIG_LIB
+#include <asm/slab.h>
+#else
static __always_inline void *kmalloc_large(size_t size, gfp_t flags)
{
unsigned int order = get_order(size);
@@ -428,6 +439,7 @@ static __always_inline void *kmalloc(size_t size, gfp_t flags)
}
return __kmalloc(size, flags);
}
+#endif
/*
* Determine size used for the nth kmalloc cache.
--
2.1.0
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