From 14493645e0e463f4428c06b9e368cc11d1721033 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Sat, 2 Jan 2021 00:47:55 +0100
Subject: [PATCH] Kernel: Make Region::amount_shared() and amount_resident()
 lazy-aware

Don't count the lazy-committed page towards shared/resident amounts.
---
 Kernel/VM/Region.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Kernel/VM/Region.cpp b/Kernel/VM/Region.cpp
index 35964c25af..9f2545293a 100644
--- a/Kernel/VM/Region.cpp
+++ b/Kernel/VM/Region.cpp
@@ -219,7 +219,7 @@ size_t Region::amount_resident() const
     size_t bytes = 0;
     for (size_t i = 0; i < page_count(); ++i) {
         auto* page = physical_page(i);
-        if (page && !page->is_shared_zero_page())
+        if (page && !page->is_shared_zero_page() && !page->is_lazy_committed_page())
             bytes += PAGE_SIZE;
     }
     return bytes;
@@ -230,7 +230,7 @@ size_t Region::amount_shared() const
     size_t bytes = 0;
     for (size_t i = 0; i < page_count(); ++i) {
         auto* page = physical_page(i);
-        if (page && page->ref_count() > 1 && !page->is_shared_zero_page())
+        if (page && page->ref_count() > 1 && !page->is_shared_zero_page() && !page->is_lazy_committed_page())
             bytes += PAGE_SIZE;
     }
     return bytes;