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authorClark Williams <williams@redhat.com>2012-02-23 21:33:05 -0600
committerClark Williams <williams@redhat.com>2012-02-23 21:33:05 -0600
commita0c034c3726715d1928b301ddd43c51799c0c07a (patch)
tree76e78b4646ca0560d8cd0ee041a8bde9a5269c8c /include/linux/proportions.h
parent086290148fc37d7f2eccb7026b18fb9539ec7820 (diff)
parent9d0231c207faeda051cf54c1a64e1a147d2187fa (diff)
Merge commit 'v3.2.7' into rt-3.2.7-rt13v3.2.7-rt13
Diffstat (limited to 'include/linux/proportions.h')
-rw-r--r--include/linux/proportions.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/proportions.h b/include/linux/proportions.h
index ef35bb73f69b..26a8a4ed9b07 100644
--- a/include/linux/proportions.h
+++ b/include/linux/proportions.h
@@ -81,7 +81,11 @@ void prop_inc_percpu(struct prop_descriptor *pd, struct prop_local_percpu *pl)
* Limit the time part in order to ensure there are some bits left for the
* cycle counter and fraction multiply.
*/
+#if BITS_PER_LONG == 32
#define PROP_MAX_SHIFT (3*BITS_PER_LONG/4)
+#else
+#define PROP_MAX_SHIFT (BITS_PER_LONG/2)
+#endif
#define PROP_FRAC_SHIFT (BITS_PER_LONG - PROP_MAX_SHIFT - 1)
#define PROP_FRAC_BASE (1UL << PROP_FRAC_SHIFT)