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authorRussell King <rmk+kernel@armlinux.org.uk>2016-11-01 12:17:57 +0300
committerRussell King <rmk+kernel@armlinux.org.uk>2016-11-01 12:17:57 +0300
commit9902aa4728fe9128ea45f1a772e2238d64d8cdc5 (patch)
treecca30efb3ad2126fcb10aa6349ed799a5656e851 /include/linux/bitmap.h
parentdf0bd1e8f3c508bf4c3445f94b12e38289b65f13 (diff)
parent90731c24d2db7ec04df43ddbcee9605183d05187 (diff)
downloadlinux-9902aa4728fe9128ea45f1a772e2238d64d8cdc5.tar.xz
Merge branch 'drm-tda998x-mali' into drm-tda998x-devel
Diffstat (limited to 'include/linux/bitmap.h')
-rw-r--r--include/linux/bitmap.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index e9b0b9ab07e5..598bc999f4c2 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -266,9 +266,12 @@ static inline int bitmap_equal(const unsigned long *src1,
const unsigned long *src2, unsigned int nbits)
{
if (small_const_nbits(nbits))
- return ! ((*src1 ^ *src2) & BITMAP_LAST_WORD_MASK(nbits));
- else
- return __bitmap_equal(src1, src2, nbits);
+ return !((*src1 ^ *src2) & BITMAP_LAST_WORD_MASK(nbits));
+#ifdef CONFIG_S390
+ if (__builtin_constant_p(nbits) && (nbits % BITS_PER_LONG) == 0)
+ return !memcmp(src1, src2, nbits / 8);
+#endif
+ return __bitmap_equal(src1, src2, nbits);
}
static inline int bitmap_intersects(const unsigned long *src1,