diff options
author | Yinghai Lu <yinghai@kernel.org> | 2010-02-10 04:20:29 -0500 |
---|---|---|
committer | H. Peter Anvin <hpa@zytor.com> | 2010-02-12 12:42:39 -0500 |
commit | 9b3be9f99203d9a400e8547f0e80f1d8f8e5738c (patch) | |
tree | f23f2dd639d666daa58339d0ef8f3519fdc7c488 | |
parent | 59be5a8e8ce765cf739ec7f07176219972de7481 (diff) |
Move round_up/down to kernel.h
... in preparation of moving early_res to kernel/.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <1265793639-15071-26-git-send-email-yinghai@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-rw-r--r-- | arch/x86/include/asm/proto.h | 10 | ||||
-rw-r--r-- | include/linux/kernel.h | 10 |
2 files changed, 10 insertions, 10 deletions
diff --git a/arch/x86/include/asm/proto.h b/arch/x86/include/asm/proto.h index 4009f6534f52..6f414ed88620 100644 --- a/arch/x86/include/asm/proto.h +++ b/arch/x86/include/asm/proto.h | |||
@@ -23,14 +23,4 @@ extern int reboot_force; | |||
23 | 23 | ||
24 | long do_arch_prctl(struct task_struct *task, int code, unsigned long addr); | 24 | long do_arch_prctl(struct task_struct *task, int code, unsigned long addr); |
25 | 25 | ||
26 | /* | ||
27 | * This looks more complex than it should be. But we need to | ||
28 | * get the type for the ~ right in round_down (it needs to be | ||
29 | * as wide as the result!), and we want to evaluate the macro | ||
30 | * arguments just once each. | ||
31 | */ | ||
32 | #define __round_mask(x,y) ((__typeof__(x))((y)-1)) | ||
33 | #define round_up(x,y) ((((x)-1) | __round_mask(x,y))+1) | ||
34 | #define round_down(x,y) ((x) & ~__round_mask(x,y)) | ||
35 | |||
36 | #endif /* _ASM_X86_PROTO_H */ | 26 | #endif /* _ASM_X86_PROTO_H */ |
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 328bca609b9b..d45e372fad81 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h | |||
@@ -44,6 +44,16 @@ extern const char linux_proc_banner[]; | |||
44 | 44 | ||
45 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr)) | 45 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr)) |
46 | 46 | ||
47 | /* | ||
48 | * This looks more complex than it should be. But we need to | ||
49 | * get the type for the ~ right in round_down (it needs to be | ||
50 | * as wide as the result!), and we want to evaluate the macro | ||
51 | * arguments just once each. | ||
52 | */ | ||
53 | #define __round_mask(x, y) ((__typeof__(x))((y)-1)) | ||
54 | #define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1) | ||
55 | #define round_down(x, y) ((x) & ~__round_mask(x, y)) | ||
56 | |||
47 | #define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f)) | 57 | #define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f)) |
48 | #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) | 58 | #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) |
49 | #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) | 59 | #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) |