Limit size of bitmap to 2million chunks.

When creating a file bitmap, choose a default size that
results in fewer than 2^21 chunks.  Without this kmalloc
failure in the kernel becomes likely.

Signed-off-by: Neil Brown <neilb@suse.de>

1 files changed, 0 insertions, 1 deletions

diff --git a/mdadm.c b/mdadm.c
index f310474..7f10948 100644
--- a/mdadm.c
+++ b/mdadm.c
@@ -1020,7 +1020,6 @@ int main(int argc, char *argv[])
 		}
 		break;
 	case BUILD:
-		if (bitmap_chunk == UnSet) bitmap_chunk = DEFAULT_BITMAP_CHUNK;
 		if (delay == 0) delay = DEFAULT_BITMAP_DELAY;
 		if (write_behind && !bitmap_file) {
 			fprintf(stderr, Name ": write-behind mode requires a bitmap.\n");