Perform calculation on bit size in 64-bit

allow 32-bit architectures to have sub-buffers larger than 256MB.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/lttng-ring-buffer-client.h b/lttng-ring-buffer-client.h
index 47059b4577ce32875c67f45c5329b275555e66d4..0b05561a5bf9d8a547247ca3fa122a67fa92f6c0 100644 (file)
--- a/lttng-ring-buffer-client.h
+++ b/lttng-ring-buffer-client.h
@@ -370,8 +370,10 @@ static void client_buffer_end(struct lib_ring_buffer *buf, u64 tsc,
        unsigned long records_lost = 0;
 
        header->ctx.timestamp_end = tsc;
-       header->ctx.content_size = data_size * CHAR_BIT;        /* in bits */
-       header->ctx.packet_size = PAGE_ALIGN(data_size) * CHAR_BIT; /* in bits */
+       header->ctx.content_size =
+               (uint64_t) data_size * CHAR_BIT;                /* in bits */
+       header->ctx.packet_size =
+               (uint64_t) PAGE_ALIGN(data_size) * CHAR_BIT;    /* in bits */
        records_lost += lib_ring_buffer_get_records_lost_full(&client_config, buf);
        records_lost += lib_ring_buffer_get_records_lost_wrap(&client_config, buf);
        records_lost += lib_ring_buffer_get_records_lost_big(&client_config, buf);