Merge leveldb subtree

Merge commit 'ec749b1bcdf2483b642fb51d635800e272c68ba6' into HEAD
wumintendy · Aug 9, 2018 · fa14fa7 · fa14fa7
2 parents 8ac7125 + ec749b1
commit fa14fa7
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/leveldb/util/env_posix.cc b/src/leveldb/util/env_posix.cc
@@ -585,8 +585,8 @@ static int MaxMmaps() {
   if (mmap_limit >= 0) {
     return mmap_limit;
   }
-  // Up to 1000 mmaps for 64-bit binaries; none for smaller pointer sizes.
-  mmap_limit = sizeof(void*) >= 8 ? 1000 : 0;
+  // Up to 4096 mmaps for 64-bit binaries; none for smaller pointer sizes.
+  mmap_limit = sizeof(void*) >= 8 ? 4096 : 0;
   return mmap_limit;
 }