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kasan, module: move MODULE_ALIGN macro into <linux/moduleloader.h>

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include/linux/moduleloader.h is more suitable place for this macro.
Also change alignment to PAGE_SIZE for CONFIG_KASAN=n as such
alignment already assumed in several places.

Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrey Ryabinin 2015-03-12 16:26:14 -07:00 committed by Linus Torvalds
parent a5af5aa8b6
commit d3733e5c98
2 changed files with 8 additions and 4 deletions
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4
include/linux/kasan.h
View File

@ -50,15 +50,11 @@ void kasan_krealloc(const void *object, size_t new_size);
void kasan_slab_alloc(struct kmem_cache *s, void *object);
void kasan_slab_free(struct kmem_cache *s, void *object);
#define MODULE_ALIGN (PAGE_SIZE << KASAN_SHADOW_SCALE_SHIFT)
int kasan_module_alloc(void *addr, size_t size);
void kasan_free_shadow(const struct vm_struct *vm);
#else /* CONFIG_KASAN */
#define MODULE_ALIGN 1
static inline void kasan_unpoison_shadow(const void *address, size_t size) {}
static inline void kasan_enable_current(void) {}

8
include/linux/moduleloader.h
View File

@ -84,4 +84,12 @@ void module_arch_cleanup(struct module *mod);
/* Any cleanup before freeing mod->module_init */
void module_arch_freeing_init(struct module *mod);
#ifdef CONFIG_KASAN
#include <linux/kasan.h>
#define MODULE_ALIGN (PAGE_SIZE << KASAN_SHADOW_SCALE_SHIFT)
#else
#define MODULE_ALIGN PAGE_SIZE
#endif
#endif