The patch titled
Subject: bitops: simplify get_count_order_long()
has been added to the -mm tree. Its filename is
bitops-simplify-get_count_order_long.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/bitops-simplify-get_count_order_long.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/bitops-simplify-get_count_order_long.patch
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------------------------------------------------------
From: Wei Yang <richard.weiyang@xxxxxxxxxxxxxxxxx>
Subject: bitops: simplify get_count_order_long()
These two cases could be unified into one.
Link: https://lkml.kernel.org/r/20200807085837.11697-2-richard.weiyang@xxxxxxxxxxxxxxxxx
Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxxxxxxxxxx>
Cc: Christian Brauner <christian.brauner@xxxxxxxxxx>
Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/bitops.h | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
--- a/include/linux/bitops.h~bitops-simplify-get_count_order_long
+++ a/include/linux/bitops.h
@@ -206,10 +206,7 @@ static inline int get_count_order_long(u
{
if (l == 0UL)
return -1;
- else if (l & (l - 1UL))
- return (int)fls_long(l);
- else
- return (int)fls_long(l) - 1;
+ return (int)fls_long(--l);
}
/**
_
Patches currently in -mm which might be from richard.weiyang@xxxxxxxxxxxxxxxxx are
mm-mmap-rename-__vma_unlink_common-to-__vma_unlink.patch
mm-mmap-leverage-vma_rb_erase_ignore-to-implement-vma_rb_erase.patch
mm-page_reporting-drop-stale-list-head-check-in-page_reporting_cycle.patch
bitops-simplify-get_count_order_long.patch
bitops-use-the-same-mechanism-for-get_count_order.patch
