Messages in this thread Patch in this message | | | Date | Fri, 2 May 2008 11:58:04 -0700 | From | "H. Peter Anvin" <> | Subject | [PATCH] kernel/time.c: Silence gcc warning 'integer constant to large for long type' |
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From: Carlos R. Mafra <crmafra@ift.unesp.br>
This patch removes these gcc warnings:
kernel/time.c: In function msecs_to_jiffies: kernel/time.c:479: warning: integer constant is too large for long type kernel/time.c: In function usecs_to_jiffies: kernel/time.c:494: warning: integer constant is too large for long type
by casting MSEC_TO_HZ_ADJ32 and USEC_TO_HZ_ADJ32 to u64.
This resolves bugzilla 10153.
Signed-off-by: Carlos R. Mafra <crmafra@ift.unesp.br> Signed-off-by: H. Peter Anvin <hpa@zytor.com> --- kernel/time.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/time.c b/kernel/time.c index cbe0d5a..76dcc0f 100644 --- a/kernel/time.c +++ b/kernel/time.c @@ -476,7 +476,7 @@ unsigned long msecs_to_jiffies(const unsigned int m) if (HZ > MSEC_PER_SEC && m > jiffies_to_msecs(MAX_JIFFY_OFFSET)) return MAX_JIFFY_OFFSET; - return ((u64)MSEC_TO_HZ_MUL32 * m + MSEC_TO_HZ_ADJ32) + return ((u64)MSEC_TO_HZ_MUL32 * m + (u64)MSEC_TO_HZ_ADJ32) >> MSEC_TO_HZ_SHR32; #endif } @@ -491,7 +491,7 @@ unsigned long usecs_to_jiffies(const unsigned int u) #elif HZ > USEC_PER_SEC && !(HZ % USEC_PER_SEC) return u * (HZ / USEC_PER_SEC); #else - return ((u64)USEC_TO_HZ_MUL32 * u + USEC_TO_HZ_ADJ32) + return ((u64)USEC_TO_HZ_MUL32 * u + (u64)USEC_TO_HZ_ADJ32) >> USEC_TO_HZ_SHR32; #endif } -- 1.5.4.3
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