---
HOWTO | 20 ++++++++++++++++++++
1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/HOWTO b/HOWTO
index b2040ed..e7eea3a 100644
--- a/HOWTO
+++ b/HOWTO
@@ -395,6 +395,26 @@ segments to be placed in hugepages:
HUGETLB_ELFMAP=RW All segments (text/data/BSS)
HUGETLB_ELFMAP=no No segments
+ Default remapping behavior:
+ ---------------------------
+
+If --hugetlbfs-link was used to link an application, the chosen remapping mode
+is codified into the binary and becomes the default behavior. Setting
+HUGETLB_ELFMAP=no will disable all remapping and is the only way to modify the
+default behavior.
+
+For applications linked with --hugetlbfs-align, the default behavior is to not
+remap any segments into huge pages. To set or display the default remapping
+mode for a binary, the included hugeedit command can be used:
+
+hugeedit [options] target-executable
+ options:
+ --text,--data Remap the specified segment into huge pages by default
+ --disable Do not remap any segments by default
+
+The hugeedit command will set the default mode, but HUGETLB_ELFMAP can be used
+to override it (see above) when running the program.
+
Environment variables:
----------------------
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