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linux_compat: move vzalloc() to header file as an inline function

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The vzalloc(size) is equivalent to kzalloc(size, 0).  Move it to
include/linux/compat.h as an inline function in order to avoid the
function call overhead.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Masahiro Yamada 2015-07-13 13:17:06 +09:00 • committed by Simon Glass
parent 3721eaf28e
commit ebc3328ccc
2 changed files with 4 additions and 7 deletions
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6
include/linux/compat.h
View file

@ -40,6 +40,10 @@ void *kmalloc(size_t size, int flags);
void *kzalloc(size_t size, int flags); void *kzalloc(size_t size, int flags);
#define vmalloc(size) kmalloc(size, 0) #define vmalloc(size) kmalloc(size, 0)
#define __vmalloc(size, flags, pgsz) kmalloc(size, flags) #define __vmalloc(size, flags, pgsz) kmalloc(size, flags)
static inline void *vzalloc(unsigned long size)
{
return kzalloc(size, 0);
}
#define kfree(ptr) free(ptr) #define kfree(ptr) free(ptr)
#define vfree(ptr) free(ptr) #define vfree(ptr) free(ptr)
@ -189,8 +193,6 @@ struct work_struct {};
unsigned long copy_from_user(void *dest, const void *src, unsigned long copy_from_user(void *dest, const void *src,
unsigned long count); unsigned long count);
void *vzalloc(unsigned long size);
typedef unused_t spinlock_t; typedef unused_t spinlock_t;
typedef int wait_queue_head_t; typedef int wait_queue_head_t;

5
lib/linux_compat.c
View file

@ -26,11 +26,6 @@ void *kzalloc(size_t size, int flags)
return ptr; return ptr;
} }
void *vzalloc(unsigned long size)
{
return kzalloc(size, 0);
}
struct kmem_cache *get_mem(int element_sz) struct kmem_cache *get_mem(int element_sz)
{ {
struct kmem_cache *ret; struct kmem_cache *ret;