aboutsummaryrefslogtreecommitdiff
path: root/manual
diff options
context:
space:
mode:
Diffstat (limited to 'manual')
-rw-r--r--manual/tunables.texi10
1 files changed, 10 insertions, 0 deletions
diff --git a/manual/tunables.texi b/manual/tunables.texi
index e851b95..6e0ee28 100644
--- a/manual/tunables.texi
+++ b/manual/tunables.texi
@@ -319,6 +319,16 @@ the ones in @code{sysdeps/x86/cpu-features.h}.
This tunable is specific to i386 and x86-64.
@end deftp
+@deftp Tunable glibc.tune.cached_memopt
+The @code{glibc.tune.cached_memopt=[0|1]} tunable allows the user to
+enable optimizations recommended for cacheable memory. If set to
+@code{1}, @theglibc{} assumes that the process memory image consists
+of cacheable (non-device) memory only. The default, @code{0},
+indicates that the process may use device memory.
+
+This tunable is specific to powerpc, powerpc64 and powerpc64le.
+@end deftp
+
@deftp Tunable glibc.tune.cpu
The @code{glibc.tune.cpu=xxx} tunable allows the user to tell @theglibc{} to
assume that the CPU is @code{xxx} where xxx may have one of these values: