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author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-05-12 04:04:12 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-05-12 04:04:12 +0300 |
commit | f0ab773f5c96c29a5227234c4b5a820f5591b74d (patch) | |
tree | a98d6190989c2190e522b8d1966727125bcbcbb3 /lib/find_bit_benchmark.c | |
parent | 4bc871984f7cb5b2dec3ae64b570cb02f9ce2227 (diff) | |
parent | 2075b16e32c26e4031b9fd3cbe26c54676a8fcb5 (diff) | |
download | linux-f0ab773f5c96c29a5227234c4b5a820f5591b74d.tar.xz |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton:
"13 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
rbtree: include rcu.h
scripts/faddr2line: fix error when addr2line output contains discriminator
ocfs2: take inode cluster lock before moving reflinked inode from orphan dir
mm, oom: fix concurrent munlock and oom reaper unmap, v3
mm: migrate: fix double call of radix_tree_replace_slot()
proc/kcore: don't bounds check against address 0
mm: don't show nr_indirectly_reclaimable in /proc/vmstat
mm: sections are not offlined during memory hotremove
z3fold: fix reclaim lock-ups
init: fix false positives in W+X checking
lib/find_bit_benchmark.c: avoid soft lockup in test_find_first_bit()
KASAN: prohibit KASAN+STRUCTLEAK combination
MAINTAINERS: update Shuah's email address
Diffstat (limited to 'lib/find_bit_benchmark.c')
-rw-r--r-- | lib/find_bit_benchmark.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/find_bit_benchmark.c b/lib/find_bit_benchmark.c index 5985a25e6cbc..5367ffa5c18f 100644 --- a/lib/find_bit_benchmark.c +++ b/lib/find_bit_benchmark.c @@ -132,7 +132,12 @@ static int __init find_bit_test(void) test_find_next_bit(bitmap, BITMAP_LEN); test_find_next_zero_bit(bitmap, BITMAP_LEN); test_find_last_bit(bitmap, BITMAP_LEN); - test_find_first_bit(bitmap, BITMAP_LEN); + + /* + * test_find_first_bit() may take some time, so + * traverse only part of bitmap to avoid soft lockup. + */ + test_find_first_bit(bitmap, BITMAP_LEN / 10); test_find_next_and_bit(bitmap, bitmap2, BITMAP_LEN); pr_err("\nStart testing find_bit() with sparse bitmap\n"); |