On 28/06/2016 11:01, Peter Lieven wrote:
> +#ifdef MAP_GROWSDOWN
> +co->stack = mmap(NULL, COROUTINE_STACK_SIZE, PROT_READ | PROT_WRITE,
> + MAP_PRIVATE | MAP_ANONYMOUS | MAP_GROWSDOWN, -1, 0);
> +if (co->stack == MAP_FAILED) {
> +abort();
> +}
> +/* ad
Am 28.06.2016 um 12:02 schrieb Peter Maydell:
On 28 June 2016 at 10:01, Peter Lieven wrote:
coroutine-ucontext currently allocates stack memory from heap as on most
systems the
stack size lays below the threshold for mmapping memory. This patch forces
mmaping
of stacks to avoid large holes on
On 28 June 2016 at 10:01, Peter Lieven wrote:
> coroutine-ucontext currently allocates stack memory from heap as on most
> systems the
> stack size lays below the threshold for mmapping memory. This patch forces
> mmaping
> of stacks to avoid large holes on the heap when a coroutine is deleted.
coroutine-ucontext currently allocates stack memory from heap as on most
systems the
stack size lays below the threshold for mmapping memory. This patch forces
mmaping
of stacks to avoid large holes on the heap when a coroutine is deleted. It
additionally
allows us for adding a guard page at the
