From 8fe8b0798f40786c156e245ce89749acda401273 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Wed, 20 Aug 2025 22:46:17 -0400
Subject: kernel: physmem: Panic when out of memory

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/vm/vm_physmem.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'sys/vm')

diff --git a/sys/vm/vm_physmem.c b/sys/vm/vm_physmem.c
index f8caf9a..0bd2d54 100644
--- a/sys/vm/vm_physmem.c
+++ b/sys/vm/vm_physmem.c
@@ -32,6 +32,7 @@
 #include <sys/limine.h>
 #include <sys/syslog.h>
 #include <sys/spinlock.h>
+#include <sys/panic.h>
 #include <vm/physmem.h>
 #include <vm/vm.h>
 #include <string.h>
@@ -194,6 +195,10 @@ vm_alloc_frame(size_t count)
         ret = __vm_alloc_frame(count);
     }
 
+    if (ret == 0) {
+        panic("out of memory\n");
+    }
+
     pages_used += count;
     pages_free -= count;
     spinlock_release(&lock);
-- 
cgit v1.2.3