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-rw-r--r--fs/btrfs/tests/free-space-tests.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/btrfs/tests/free-space-tests.c b/fs/btrfs/tests/free-space-tests.c
index 029343b3e854..3956bb2ff84c 100644
--- a/fs/btrfs/tests/free-space-tests.c
+++ b/fs/btrfs/tests/free-space-tests.c
@@ -843,7 +843,13 @@ int btrfs_test_free_space_cache(u32 sectorsize, u32 nodesize)
test_msg("Running btrfs free space cache tests\n");
- cache = btrfs_alloc_dummy_block_group(1024 * 1024 * 1024, sectorsize);
+ /*
+ * For ppc64 (with 64k page size), bytes per bitmap might be
+ * larger than 1G. To make bitmap test available in ppc64,
+ * alloc dummy block group whose size cross bitmaps.
+ */
+ cache = btrfs_alloc_dummy_block_group(BITS_PER_BITMAP * sectorsize
+ + PAGE_SIZE, sectorsize);
if (!cache) {
test_msg("Couldn't run the tests\n");
return 0;