Kernel: Improve crash info if page_in_from_inode() is called redundantly.

1 files changed, 4 insertions, 1 deletions

diff --git a/Kernel/MemoryManager.cpp b/Kernel/MemoryManager.cpp
index 0c36befbfc..4abe285e26 100644
--- a/Kernel/MemoryManager.cpp
+++ b/Kernel/MemoryManager.cpp
@@ -304,7 +304,10 @@ bool MemoryManager::page_in_from_inode(Region& region, unsigned page_index_in_re
 
     auto& vmo_page = vmo.physical_pages()[region.first_page_index() + page_index_in_region];
 
-    ASSERT(vmo_page.is_null());
+    if (!vmo_page.is_null()) {
+        dbgprintf("MM: Redundant page_in_from_inode in %s(%u), inode=%u, [%u]\n", current->name().characters(), current->pid(), region.vmo().inode()->identifier().index(), page_index_in_region);
+        ASSERT_NOT_REACHED();
+    }
 
     bool interrupts_were_enabled = are_interrupts_enabled();