[RFC PATCH v2 02/11] slab: add private memory allocator header for arch/lib
From: Hajime Tazaki <hidden>
Date: 2015-04-17 09:42:41
Also in:
linux-arch, linux-mm, lkml
Subsystem:
slab allocator, the rest · Maintainers:
Vlastimil Babka, Harry Yoo, Andrew Morton, Linus Torvalds
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 <redacted> --- 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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