1 files changed, 4 insertions, 4 deletions

diff --git a/fs/bio.c b/fs/bio.c
index 1f3bb501c262..8f1d2e815c96 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -1243,11 +1243,11 @@ static int __init init_bio(void)
                 scale = 4;
 
         /*
-         * scale number of entries
+         * Limit number of entries reserved -- mempools are only used when
+         * the system is completely unable to allocate memory, so we only
+         * need enough to make progress.
          */
-        bvec_pool_entries = megabytes * 2;
-        if (bvec_pool_entries > 256)
-                bvec_pool_entries = 256;
+        bvec_pool_entries = 1 + scale;
 
         fs_bio_set = bioset_create(BIO_POOL_SIZE, bvec_pool_entries, scale);
         if (!fs_bio_set)