From d0f5b43c2eb63434c4cb2c3be9fba517f261fde7 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Sun, 23 Feb 2020 18:00:30 +0100
Subject: [PATCH] Kernel: Use Vector::unstable_remove() when deallocating a
 region

Process::m_regions is not sorted, so we can use unstable_remove()
to avoid shifting the vector contents. :^)
---
 Kernel/Process.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Kernel/Process.cpp b/Kernel/Process.cpp
index f67312d8f9..cfe1b78814 100644
--- a/Kernel/Process.cpp
+++ b/Kernel/Process.cpp
@@ -257,7 +257,7 @@ bool Process::deallocate_region(Region& region)
         m_region_lookup_cache.region = nullptr;
     for (int i = 0; i < m_regions.size(); ++i) {
         if (&m_regions[i] == &region) {
-            m_regions.remove(i);
+            m_regions.unstable_remove(i);
             return true;
         }
     }