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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:57 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:57 +0000 |
commit | dc50eab76b709d68175a358d6e23a5a3890764d3 (patch) | |
tree | c754d0390db060af0213ff994f0ac310e4cfd6e9 /lib/test_bitmap.c | |
parent | Adding debian version 6.6.15-2. (diff) | |
download | linux-dc50eab76b709d68175a358d6e23a5a3890764d3.tar.xz linux-dc50eab76b709d68175a358d6e23a5a3890764d3.zip |
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/test_bitmap.c')
-rw-r--r-- | lib/test_bitmap.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c index f2ea9f30c7..65f22c2578 100644 --- a/lib/test_bitmap.c +++ b/lib/test_bitmap.c @@ -330,6 +330,29 @@ static void __init test_copy(void) expect_eq_pbl("0-108,128-1023", bmap2, 1024); } +static void __init test_bitmap_region(void) +{ + int pos, order; + + DECLARE_BITMAP(bmap, 1000); + + bitmap_zero(bmap, 1000); + + for (order = 0; order < 10; order++) { + pos = bitmap_find_free_region(bmap, 1000, order); + if (order == 0) + expect_eq_uint(pos, 0); + else + expect_eq_uint(pos, order < 9 ? BIT(order) : -ENOMEM); + } + + bitmap_release_region(bmap, 0, 0); + for (order = 1; order < 9; order++) + bitmap_release_region(bmap, BIT(order), order); + + expect_eq_uint(bitmap_weight(bmap, 1000), 0); +} + #define EXP2_IN_BITS (sizeof(exp2) * 8) static void __init test_replace(void) @@ -1227,6 +1250,7 @@ static void __init selftest(void) test_zero_clear(); test_fill_set(); test_copy(); + test_bitmap_region(); test_replace(); test_bitmap_arr32(); test_bitmap_arr64(); |