The patch titled
Subject: include/linux/bitops.h: 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
http://ozlabs.org/~akpm/mmots/broken-out/bitops-simplify-get_count_order_long.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/bitops-simplify-get_count_order_long.patch
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------------------------------------------------------
From: Wei Yang <richard.weiyang@xxxxxxxxx>
Subject: include/linux/bitops.h: simplify get_count_order_long()
These two cases could be unified into one.
Link: http://lkml.kernel.org/r/20200524123551.9469-1-richard.weiyang@xxxxxxxxx
Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
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@xxxxxxxxx are
mm-swapfilec-offset-is-only-used-when-there-is-more-slots.patch
mm-swapfilec-explicitly-show-ssd-non-ssd-is-handled-mutually-exclusive.patch
mm-swapfilec-remove-the-unnecessary-goto-for-ssd-case.patch
mm-swapfilec-simplify-the-calculation-of-n_goal.patch
mm-swapfilec-remove-the-extra-check-in-scan_swap_map_slots.patch
mm-swapfilec-found_free-could-be-represented-by-tmp-max.patch
mm-swapfilec-tmp-is-always-smaller-than-max.patch
mm-swapfilec-omit-a-duplicate-code-by-compare-tmp-and-max-first.patch
mm-swapfilec-classify-swap_map_xxx-to-make-it-more-readable.patch
mm-swapfilec-__swap_entry_free-always-free-1-entry.patch
mm-page_allocc-bad_-is-not-necessary-when-pagehwpoison.patch
mm-page_allocc-bad_flags-is-not-necessary-for-bad_page.patch
mm-page_allocc-rename-free_pages_check_bad-to-check_free_page_bad.patch
mm-page_allocc-rename-free_pages_check-to-check_free_page.patch
mm-page_allocc-extract-check__page_bad-common-part-to-page_bad_reason.patch
mm-page_allocc-use-node_mask_none-in-build_zonelists.patch
mm-rename-gfpflags_to_migratetype-to-gfp_migratetype-for-same-convention.patch
mm-vmscanc-use-update_lru_size-in-update_lru_sizes.patch
bitops-simplify-get_count_order_long.patch
