Justus Winter, le Tue 16 Dec 2014 15:09:46 +0100, a écrit : > The previous limit was 256 bytes. That seems a little crummy by > todays standards, and we are frequently sending bigger packets > (e.g. every RPC containing a string_t on Hurd). > > Use the page size for IKM_SAVED_KMSG_SIZE to make sure the page is > pinned to a single processor.
Ack. > * ipc/ipc_kmsg.h (IKM_SAVED_KMSG_SIZE): Define to `PAGE_SIZE'. > --- > ipc/ipc_kmsg.h | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/ipc/ipc_kmsg.h b/ipc/ipc_kmsg.h > index 07695fb..f06857a 100644 > --- a/ipc/ipc_kmsg.h > +++ b/ipc/ipc_kmsg.h > @@ -92,9 +92,12 @@ extern ipc_kmsg_t ipc_kmsg_cache[NCPUS]; > /* > * The size of the kernel message buffers that will be cached. > * IKM_SAVED_KMSG_SIZE includes overhead; IKM_SAVED_MSG_SIZE doesn't. > + * > + * We use the page size for IKM_SAVED_KMSG_SIZE to make sure the > + * page is pinned to a single processor. > */ > > -#define IKM_SAVED_KMSG_SIZE ((vm_size_t) 256) > +#define IKM_SAVED_KMSG_SIZE PAGE_SIZE > #define IKM_SAVED_MSG_SIZE ikm_less_overhead(IKM_SAVED_KMSG_SIZE) > > #define ikm_alloc(size) > \ > -- > 2.1.3 > -- Samuel <N> sl - display animations aimed to correct users who accidentally enter <N> sl instead of ls.
