aboutsummaryrefslogtreecommitdiff
path: root/src/runtime/extern.go
diff options
context:
space:
mode:
Diffstat (limited to 'src/runtime/extern.go')
-rw-r--r--src/runtime/extern.go7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/runtime/extern.go b/src/runtime/extern.go
index 26dcf0bd52..de4a0ca2da 100644
--- a/src/runtime/extern.go
+++ b/src/runtime/extern.go
@@ -55,6 +55,13 @@ It is a comma-separated list of name=val pairs setting these named variables:
cgocheck mode can be enabled using GOEXPERIMENT (which
requires a rebuild), see https://pkg.go.dev/internal/goexperiment for details.
+ disablethp: setting disablethp=1 on Linux disables transparent huge pages for the heap.
+ It has no effect on other platforms. disablethp is meant for compatibility with versions
+ of Go before 1.21, which stopped working around a Linux kernel default that can result
+ in significant memory overuse. See https://go.dev/issue/64332. This setting will be
+ removed in a future release, so operators should tweak their Linux configuration to suit
+ their needs before then. See https://go.dev/doc/gc-guide#Linux_transparent_huge_pages.
+
dontfreezetheworld: by default, the start of a fatal panic or throw
"freezes the world", preempting all threads to stop all running
goroutines, which makes it possible to traceback all goroutines, and