From 57facae9c1b4799224ff7e41af167f791749d102 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Tue, 4 Feb 2025 22:16:44 +0100
Subject: vm_page: Avoid trying to evict internal pages until defpager is up

Otherwise we will get stuck inside vm_object_pager_create's call to
vm_object_enter trying to reference it.

This avoids getting stuck when there is no swap and we don't start a
defpager.
---
 vm/vm_page.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vm/vm_page.c b/vm/vm_page.c
index b0d3b7c2..39aa674a 100644
--- a/vm/vm_page.c
+++ b/vm/vm_page.c
@@ -2035,7 +2035,7 @@ again:
          * Eviction failed, consider pages from internal objects on the
          * next attempt.
          */
-        if (external_only) {
+        if (external_only && memory_manager_default) {
             simple_unlock(&vm_page_queue_free_lock);
             external_only = FALSE;
             goto again;
-- 
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