From 0571125dfe5d2df896c37eb74c039b1dd8dbc987 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Sat, 16 Jan 2021 22:41:07 +0100
Subject: [PATCH] Kernel: Remove some unused code in the SharedBuffer class

---
 Kernel/SharedBuffer.cpp | 23 -----------------------
 Kernel/SharedBuffer.h   |  7 -------
 2 files changed, 30 deletions(-)

diff --git a/Kernel/SharedBuffer.cpp b/Kernel/SharedBuffer.cpp
index 39bef11392..e4e082d3c5 100644
--- a/Kernel/SharedBuffer.cpp
+++ b/Kernel/SharedBuffer.cpp
@@ -198,27 +198,4 @@ void SharedBuffer::seal()
     }
 }
 
-auto SharedBuffer::set_volatile_all(bool is_volatile, bool& was_purged) -> SetVolatileError
-{
-    was_purged = false;
-    auto pid = Process::current()->pid();
-    LOCKER(shared_buffers().lock());
-    for (size_t i = 0; i < m_refs.size(); ++i) {
-        auto& ref = m_refs[i];
-        if (ref.pid == pid) {
-            if (Region* region = ref.region.unsafe_ptr()) {
-                switch (region->set_volatile(region->vaddr(), region->size(), is_volatile, was_purged)) {
-                case Region::SetVolatileError::Success:
-                    return SetVolatileError::Success;
-                case Region::SetVolatileError::NotPurgeable:
-                    return SetVolatileError::NotPurgeable;
-                case Region::SetVolatileError::OutOfMemory:
-                    return SetVolatileError::OutOfMemory;
-                }
-            }
-        }
-    }
-    return SetVolatileError::NotMapped;
-}
-
 }
diff --git a/Kernel/SharedBuffer.h b/Kernel/SharedBuffer.h
index f92f861fcd..6fa8b7e2b2 100644
--- a/Kernel/SharedBuffer.h
+++ b/Kernel/SharedBuffer.h
@@ -71,13 +71,6 @@ public:
     size_t size() const { return m_vmobject->size(); }
     void destroy_if_unused();
     void seal();
-    enum class SetVolatileError {
-        Success = 0,
-        NotPurgeable,
-        OutOfMemory,
-        NotMapped
-    };
-    SetVolatileError set_volatile_all(bool is_volatile, bool& was_purged);
     AnonymousVMObject& vmobject() { return m_vmobject; }
     const AnonymousVMObject& vmobject() const { return m_vmobject; }
     int id() const { return m_shbuf_id; }