Thanks, applied. On Thu, Nov 1, 2012 at 10:20 PM, Richard Henderson <r...@twiddle.net> wrote: > After allocating 32MB or more contiguous memory, huge pages > would seem to be ideal. > > Signed-off-by: Richard Henderson <r...@twiddle.net> > --- > exec.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/exec.c b/exec.c > index df67938..ab07f68 100644 > --- a/exec.c > +++ b/exec.c > @@ -602,6 +602,8 @@ static inline void code_gen_alloc(size_t tb_size) > exit(1); > } > > + qemu_madvise(code_gen_buffer, code_gen_buffer_size, QEMU_MADV_HUGEPAGE); > + > /* Steal room for the prologue at the end of the buffer. This ensures > (via the MAX_CODE_GEN_BUFFER_SIZE limits above) that direct branches > from TB's to the prologue are going to be in range. It also means > -- > 1.7.11.7 >