From 15028c60ba7f5e19745fa054008c9274972aefe6 Mon Sep 17 00:00:00 2001
From: Damian Korczowski <erdroy2@gmail.com>
Date: Sun, 21 Feb 2021 14:44:16 +0100
Subject: [PATCH] Remove GetDefaultPageSize

Duplicate. We already have the API for this: `Platform::GetCPUInfo().PageSize`.
---
 Source/Engine/Platform/Base/PlatformBase.h     | 5 -----
 Source/Engine/Platform/Unix/UnixPlatform.cpp   | 5 -----
 Source/Engine/Platform/Unix/UnixPlatform.h     | 1 -
 Source/Engine/Platform/Win32/Win32Platform.cpp | 9 ---------
 Source/Engine/Platform/Win32/Win32Platform.h   | 1 -
 5 files changed, 21 deletions(-)

diff --git a/Source/Engine/Platform/Base/PlatformBase.h b/Source/Engine/Platform/Base/PlatformBase.h
index 7c200172d..d640eb252 100644
--- a/Source/Engine/Platform/Base/PlatformBase.h
+++ b/Source/Engine/Platform/Base/PlatformBase.h
@@ -316,11 +316,6 @@ public:
     /// <param name="ptr">A pointer to the memory block to deallocate.</param>
     static void Free(void* ptr) = delete;
 
-    /// <summary>
-    /// Returns the OS's default page size that can be used with AllocatePages.
-    /// </summary>
-    static uint64 GetDefaultPageSize() = delete;
-
     /// <summary>
     /// Allocates pages memory block.
     /// </summary>
diff --git a/Source/Engine/Platform/Unix/UnixPlatform.cpp b/Source/Engine/Platform/Unix/UnixPlatform.cpp
index 6255e3588..8cda61cc8 100644
--- a/Source/Engine/Platform/Unix/UnixPlatform.cpp
+++ b/Source/Engine/Platform/Unix/UnixPlatform.cpp
@@ -51,11 +51,6 @@ void UnixPlatform::Free(void* ptr)
     }
 }
 
-uint64 Win32Platform::GetDefaultPageSize()
-{
-    return 16;
-}
-
 void* Win32Platform::AllocatePages(uint64 numPages, uint64 pageSize)
 {
     const uint64 numBytes = numPages * pageSize;
diff --git a/Source/Engine/Platform/Unix/UnixPlatform.h b/Source/Engine/Platform/Unix/UnixPlatform.h
index 9996e3d7e..12d4e5bc2 100644
--- a/Source/Engine/Platform/Unix/UnixPlatform.h
+++ b/Source/Engine/Platform/Unix/UnixPlatform.h
@@ -16,7 +16,6 @@ public:
     // [PlatformBase]
     static void* Allocate(uint64 size, uint64 alignment);
     static void Free(void* ptr);
-    static uint64 GetDefaultPageSize();
     static void* AllocatePages(uint64 numPages, uint64 pageSize);
     static void FreePages(void* ptr);
     static uint64 GetCurrentProcessId();
diff --git a/Source/Engine/Platform/Win32/Win32Platform.cpp b/Source/Engine/Platform/Win32/Win32Platform.cpp
index 39d52a64c..06c9e542b 100644
--- a/Source/Engine/Platform/Win32/Win32Platform.cpp
+++ b/Source/Engine/Platform/Win32/Win32Platform.cpp
@@ -298,15 +298,6 @@ void Win32Platform::AtomicStore(int64 volatile* dst, int64 value)
     InterlockedExchange64(dst, value);
 }
 
-uint64 Win32Platform::GetDefaultPageSize()
-{
-    SYSTEM_INFO systemInfo;
-    GetSystemInfo(&systemInfo);
-
-    // Return the page size obtained from system
-    return systemInfo.dwPageSize;
-}
-
 void* Win32Platform::AllocatePages(uint64 numPages, uint64 pageSize)
 {
     const uint64 numBytes = numPages * pageSize;
diff --git a/Source/Engine/Platform/Win32/Win32Platform.h b/Source/Engine/Platform/Win32/Win32Platform.h
index a1930fad8..ffb1d1d87 100644
--- a/Source/Engine/Platform/Win32/Win32Platform.h
+++ b/Source/Engine/Platform/Win32/Win32Platform.h
@@ -43,7 +43,6 @@ public:
     {
         _aligned_free(ptr);
     }
-    static uint64 GetDefaultPageSize();
     static void* AllocatePages(uint64 numPages, uint64 pageSize);
     static void FreePages(void* ptr);
     static bool Is64BitPlatform();