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-rw-r--r--drivers/hv/hyperv_vmbus.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index 362e70e9d145..6bf64cb6e31a 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
+ * The Maximum number of 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 interrupts, and the other is to receive endpoint interrupts.
*/
-#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 */