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-rw-r--r--README6
1 files changed, 4 insertions, 2 deletions
diff --git a/README b/README
index 7a49dda5..480f1d0e 100644
--- 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
-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
-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