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bus: add benchmark tool to determine the right threshold for copying vs. memfd
[elogind.git]
/
src
/
libsystemd-bus
/
bus-kernel.c
diff --git
a/src/libsystemd-bus/bus-kernel.c
b/src/libsystemd-bus/bus-kernel.c
index 19d274b662d8546f84c442fa280c74bf8e557761..10b7a8aba4f597574cbf0e8ad9dcfff5d7fc9a7f 100644
(file)
--- a/
src/libsystemd-bus/bus-kernel.c
+++ b/
src/libsystemd-bus/bus-kernel.c
@@
-326,6
+326,8
@@
int bus_kernel_take_fd(sd_bus *b) {
if (b->is_server)
return -EINVAL;
+ b->use_memfd = 1;
+
if (!b->kdbus_buffer) {
b->kdbus_buffer = mmap(NULL, KDBUS_POOL_SIZE, PROT_READ|PROT_WRITE, MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
if (b->kdbus_buffer == MAP_FAILED) {