Re: [PATCH v2 3/7] migration/multifd: Zero page transmission on the multifd thread.

[Richard Henderson]

On 2/16/24 12:39, Hao Xiang wrote:

+void multifd_zero_page_check_recv(MultiFDRecvParams *p)
+{
+    for (int i = 0; i < p->zero_num; i++) {
+        void *page = p->host + p->zero[i];
+        if (!buffer_is_zero(page, p->page_size)) {
+            memset(page, 0, p->page_size);
+        }
+    }
+}

You should not check the buffer is zero here, you should just zero it.


r~