[PATCH v3 3/5] hv: vmbus: Replace page definition with Hyper-V specific one

[Maya Nakamura <m.maya.nakamura@gmail.com>]

Replace PAGE_SIZE with HV_HYP_PAGE_SIZE because the guest page size may
not be 4096 on all architectures and Hyper-V always runs with a page
size of 4096.

Signed-off-by: Maya Nakamura <m.maya.nakamura@gmail.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
---
 drivers/hv/hyperv_vmbus.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index 362e70e9d145..019469c3cbca 100644
--- a/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@ -192,11 +192,11 @@ int hv_ringbuffer_read(struct vmbus_channel *channel,
 		       u64 *requestid, bool raw);
 
 /*
- * Maximum channels is determined by the size of the interrupt page
- * which is PAGE_SIZE. 1/2 of PAGE_SIZE is for send endpoint interrupt
- * and the other is receive endpoint interrupt
+ * Maximum channels, 16348, is determined by the size of the interrupt page,
+ * which is HV_HYP_PAGE_SIZE. 1/2 of HV_HYP_PAGE_SIZE is to send endpoint
+ * interrupt, and the other is to receive endpoint interrupt.
  */
-#define MAX_NUM_CHANNELS	((PAGE_SIZE >> 1) << 3)	/* 16348 channels */
+#define MAX_NUM_CHANNELS	((HV_HYP_PAGE_SIZE >> 1) << 3)
 
 /* The value here must be in multiple of 32 */
 /* TODO: Need to make this configurable */
-- 
2.17.1