Update smalloc section in README

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

diff --git a/README b/README
index 7a49dda519b170bdd3c6ed881a96f482ac8c52c9..480f1d0ef6d455efa1e49c672def112b0607e6c1 100644 (file)
--- a/README
+++ b/README
@@ -141,9 +141,11 @@ always parsed and taken into account.
 
 Fio has an internal allocator for shared memory called smalloc. It
 allocates shared structures from this pool. The pool defaults to 1024k
 
 Fio has an internal allocator for shared memory called smalloc. It
 allocates shared structures from this pool. The pool defaults to 1024k

-in size, and can grow to 32 pools. If running large jobs with randommap
+in size, and can grow to 128 pools. If running large jobs with randommap

 enabled it can run out of memory, in which case the --alloc-size switch
 enabled it can run out of memory, in which case the --alloc-size switch

-is handy for starting with a larger pool size.
+is handy for starting with a larger pool size. The backing store is
+files in /tmp. Fio cleans up after itself, while it is running you
+may see .fio_smalloc.* files in /tmp.

 
 
 Job file
 
 
 Job file