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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-26 20:15:20 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-26 20:15:20 -0400
commit31453a9764f7e2a72a6e2c502ace586e2663a68c (patch)
tree5d4db63de5b4b85d1ffdab4e95a75175a784a10a /include/linux/math64.h
parentf9ba5375a8aae4aeea6be15df77e24707a429812 (diff)
parent93ed0e2d07b25aff4db1d61bfbcd1e82074c0ad5 (diff)
Merge branch 'akpm-incoming-1'
* akpm-incoming-1: (176 commits) scripts/checkpatch.pl: add check for declaration of pci_device_id scripts/checkpatch.pl: add warnings for static char that could be static const char checkpatch: version 0.31 checkpatch: statement/block context analyser should look at sanitised lines checkpatch: handle EXPORT_SYMBOL for DEVICE_ATTR and similar checkpatch: clean up structure definition macro handline checkpatch: update copyright dates checkpatch: Add additional attribute #defines checkpatch: check for incorrect permissions checkpatch: ensure kconfig help checks only apply when we are adding help checkpatch: simplify and consolidate "missing space after" checks checkpatch: add check for space after struct, union, and enum checkpatch: returning errno typically should be negative checkpatch: handle casts better fixing false categorisation of : as binary checkpatch: ensure we do not collapse bracketed sections into constants checkpatch: suggest cleanpatch and cleanfile when appropriate checkpatch: types may sit on a line on their own checkpatch: fix regressions in "fix handling of leading spaces" div64_u64(): improve precision on 32bit platforms lib/parser: cleanup match_number() ...
Diffstat (limited to 'include/linux/math64.h')
-rw-r--r--include/linux/math64.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/math64.h b/include/linux/math64.h
index c87f1528703a..23fcdfcba81b 100644
--- a/include/linux/math64.h
+++ b/include/linux/math64.h
@@ -35,6 +35,14 @@ static inline u64 div64_u64(u64 dividend, u64 divisor)
35 return dividend / divisor; 35 return dividend / divisor;
36} 36}
37 37
38/**
39 * div64_s64 - signed 64bit divide with 64bit divisor
40 */
41static inline s64 div64_s64(s64 dividend, s64 divisor)
42{
43 return dividend / divisor;
44}
45
38#elif BITS_PER_LONG == 32 46#elif BITS_PER_LONG == 32
39 47
40#ifndef div_u64_rem 48#ifndef div_u64_rem
@@ -53,6 +61,10 @@ extern s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder);
53extern u64 div64_u64(u64 dividend, u64 divisor); 61extern u64 div64_u64(u64 dividend, u64 divisor);
54#endif 62#endif
55 63
64#ifndef div64_s64
65extern s64 div64_s64(s64 dividend, s64 divisor);
66#endif
67
56#endif /* BITS_PER_LONG */ 68#endif /* BITS_PER_LONG */
57 69
58/** 70/**