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authorArnaldo Carvalho de Melo <[email protected]>2014-12-16 11:26:35 -0300
committerArnaldo Carvalho de Melo <[email protected]>2014-12-17 11:58:08 -0300
commitafcd4f6235659c611f0e62236f6a7bc0ae08af1e (patch)
treee0ee747117de6bf2fabc0d4dd1c76864288256df /tools/include/linux
parent3967278496ffa69704b941745de393223406a83d (diff)
tools: Adopt fls_long and deps
Will be used when adopting rounddown_pow_of_two. Cc: Adrian Hunter <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: David Ahern <[email protected]> Cc: Don Zickus <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Mike Galbraith <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/include/linux')
-rw-r--r--tools/include/linux/bitops.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/include/linux/bitops.h b/tools/include/linux/bitops.h
index 5237bc9f6266..26005a15e7e2 100644
--- a/tools/include/linux/bitops.h
+++ b/tools/include/linux/bitops.h
@@ -43,4 +43,11 @@ static inline unsigned long hweight_long(unsigned long w)
return sizeof(w) == 4 ? hweight32(w) : hweight64(w);
}
+static inline unsigned fls_long(unsigned long l)
+{
+ if (sizeof(l) == 4)
+ return fls(l);
+ return fls64(l);
+}
+
#endif