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-rw-r--r--ipc/ipc_kmsg.h5
1 files changed, 4 insertions, 1 deletions
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) \