[PATCH] D73143: [scudo][standalone] Reduce Android region sizes to 128MB

Kostya Kortchinsky via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Jan 22 09:46:25 PST 2020


This revision was automatically updated to reflect the committed changes.
Closed by commit rG990acd450cf1: [scudo][standalone] Reduce Android region sizes to 128MB (authored by cryptoad).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D73143/new/

https://reviews.llvm.org/D73143

Files:
  compiler-rt/lib/scudo/standalone/allocator_config.h


Index: compiler-rt/lib/scudo/standalone/allocator_config.h
===================================================================
--- compiler-rt/lib/scudo/standalone/allocator_config.h
+++ compiler-rt/lib/scudo/standalone/allocator_config.h
@@ -39,8 +39,8 @@
 struct AndroidConfig {
   using SizeClassMap = AndroidSizeClassMap;
 #if SCUDO_CAN_USE_PRIMARY64
-  // 1GB regions
-  typedef SizeClassAllocator64<SizeClassMap, 30U,
+  // 128MB regions
+  typedef SizeClassAllocator64<SizeClassMap, 27U,
                                /*MaySupportMemoryTagging=*/true>
       Primary;
 #else
@@ -55,8 +55,8 @@
 struct AndroidSvelteConfig {
   using SizeClassMap = SvelteSizeClassMap;
 #if SCUDO_CAN_USE_PRIMARY64
-  // 512MB regions
-  typedef SizeClassAllocator64<SizeClassMap, 29U> Primary;
+  // 128MB regions
+  typedef SizeClassAllocator64<SizeClassMap, 27U> Primary;
 #else
   // 64KB regions
   typedef SizeClassAllocator32<SizeClassMap, 16U> Primary;


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