diff options
-rw-r--r-- | eval.c | 11 |
1 files changed, 11 insertions, 0 deletions
@@ -20,6 +20,9 @@ #include "mjit.h" #include "probes.h" #include "probes_helper.h" +#ifdef HAVE_SYS_PRCTL_H +#include <sys/prctl.h> +#endif NORETURN(void rb_raise_jump(VALUE, VALUE)); @@ -52,6 +55,14 @@ ruby_setup(void) return 0; ruby_init_stack((void *)&state); + + /* + * Disable THP early before mallocs happen because we want this to + * affect as many future pages as possible for CoW-friendliness + */ +#if defined(__linux__) && defined(PR_SET_THP_DISABLE) + prctl(PR_SET_THP_DISABLE, 1, 0, 0, 0); +#endif Init_BareVM(); Init_heap(); Init_vm_objects(); |