X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=HOWTO;h=f5e2449c22d64956015d983c04c1f93aa8dc9840;hb=d0bdaf49eb3f4faa941d02274f2bd875a187e7d7;hp=6ac744cd3d436124f8474ff135c7a842fb92136b;hpb=e0a223354342cc45a916b669343718b80a20c2ea;p=fio.git

diff --git a/HOWTO b/HOWTO
index 6ac744cd..f5e2449c 100644
--- a/HOWTO
+++ b/HOWTO
@@ -362,6 +362,10 @@ mem=str		Fio can use various types of memory as the io unit buffer.
 			mmap	Use anonymous memory maps as the buffers.
 				Allocated through mmap(2).
 
+			mmaphuge Use a memory mapped huge file as the buffer
+				backing. Append filename after mmaphuge, ala
+				mem=mmaphuge:/hugetlbfs/file
+
 		The area allocated is a function of the maximum allowed
 		bs size for the job, multiplied by the io depth given.