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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-19 21:00:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-19 21:00:30 +0000
commite54def4ad8144ab15f826416e2e0f290ef1901b4 (patch)
tree583f8d4bd95cd67c44ff37b878a7eddfca9ab97a /lib/bitmap.c
parentAdding upstream version 6.8.12. (diff)
downloadlinux-e54def4ad8144ab15f826416e2e0f290ef1901b4.tar.xz
linux-e54def4ad8144ab15f826416e2e0f290ef1901b4.zip
Adding upstream version 6.9.2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/bitmap.c')
-rw-r--r--lib/bitmap.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/bitmap.c b/lib/bitmap.c
index 09522af227..b976928549 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -348,6 +348,13 @@ unsigned int __bitmap_weight_and(const unsigned long *bitmap1,
}
EXPORT_SYMBOL(__bitmap_weight_and);
+unsigned int __bitmap_weight_andnot(const unsigned long *bitmap1,
+ const unsigned long *bitmap2, unsigned int bits)
+{
+ return BITMAP_WEIGHT(bitmap1[idx] & ~bitmap2[idx], bits);
+}
+EXPORT_SYMBOL(__bitmap_weight_andnot);
+
void __bitmap_set(unsigned long *map, unsigned int start, int len)
{
unsigned long *p = map + BIT_WORD(start);