Added patch to improve heap allocation performance.

patches/Makefile

@@ -32,6 +32,7 @@ PATCHLIST := \
 	ntdll-FileDispositionInformation.ok \
 	ntdll-Fix_Alignment.ok \
 	ntdll-Fix_Free.ok \
+	ntdll-Heap_FreeLists.ok \
 	ntdll-Junction_Points.ok \
 	ntdll-Pipe_SpecialCharacters.ok \
 	ntdll-loader_EntryPoint.ok \
@@ -544,6 +545,21 @@ ntdll-Fix_Free.ok:
 		echo '+    { "ntdll-Fix_Free", "Erich E. Hoover", "Fix unintentional leaks with ntdll internals" },'; \
 	) > ntdll-Fix_Free.ok
 
+# Patchset ntdll-Heap_FreeLists
+# |
+# | Included patches:
+# |   *	Improve heap allocation performance by using more fine-grained free lists. [by Steaphan Greene]
+# |
+# | Modified files: 
+# |   *	dlls/ntdll/heap.c
+# |
+.INTERMEDIATE: ntdll-Heap_FreeLists.ok
+ntdll-Heap_FreeLists.ok:
+	$(call APPLY_FILE,ntdll-Heap_FreeLists/0001-ntdll-Improve-heap-allocation-performance-by-using-m.patch)
+	@( \
+		echo '+    { "ntdll-Heap_FreeLists", "Steaphan Greene", "Improve heap allocation performance by using more fine-grained free lists." },'; \
+	) > ntdll-Heap_FreeLists.ok
+
 # Patchset ntdll-Junction_Points
 # |
 # | Included patches:

patches/ntdll-Heap_FreeLists/0001-ntdll-Improve-heap-allocation-performance-by-using-m.patch

@@ -0,0 +1,28 @@
+From 0f97518d5133beb335012d10f7096c7233c25db1 Mon Sep 17 00:00:00 2001
+From: Steaphan Greene <steaphan@gmail.com>
+Date: Fri, 2 Nov 2012 14:16:09 -0700
+Subject: ntdll: Improve heap allocation performance by using more
+ fine-grained free lists.
+
+---
+ dlls/ntdll/heap.c |    4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/dlls/ntdll/heap.c b/dlls/ntdll/heap.c
+index 3bb7a11..eac6f85 100644
+--- a/dlls/ntdll/heap.c
++++ b/dlls/ntdll/heap.c
+@@ -117,7 +117,9 @@ C_ASSERT( sizeof(ARENA_LARGE) % LARGE_ALIGNMENT == 0 );
+ /* Max size of the blocks on the free lists */
+ static const SIZE_T HEAP_freeListSizes[] =
+ {
+-    0x10, 0x20, 0x30, 0x40, 0x60, 0x80, 0x100, 0x200, 0x400, 0x1000, ~0UL
++    0x10, 0x18, 0x20, 0x28, 0x30, 0x38, 0x40, 0x48, 0x50, 0x58, 0x60, 0x68,
++    0x70, 0x78, 0x80, 0x88, 0x90, 0x98, 0xA0, 0xA8, 0xB0, 0xB8, 0xC0, 0xC8,
++    0xD0, 0xD8, 0xE0, 0xE8, 0xF0, 0xF8, 0x100, 0x200, 0x400, 0x1000, ~0UL
+ };
+ #define HEAP_NB_FREE_LISTS  (sizeof(HEAP_freeListSizes)/sizeof(HEAP_freeListSizes[0]))
+ 
+-- 
+1.7.9.5
+

patches/ntdll-Heap_FreeLists/definition

@@ -0,0 +1,4 @@
+Author: Steaphan Greene
+Subject: Improve heap allocation performance by using more fine-grained free lists.
+Revision: 1
+Fixes: Improvement for heap allocation performance