From: Terry Parker <tparker@google.com>
Date: Mon, 16 Jul 2018 20:58:30 +0000 (-0700)
Subject: GC: Trim more EWAHCompressedBitmaps to free unused memory
X-Git-Tag: v5.1.0.201808281540-m3~56
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=refs%2Fchanges%2F42%2F126142%2F2;p=jgit.git

GC: Trim more EWAHCompressedBitmaps to free unused memory

04b9f4436 fixed places where compressed bitmaps were holding on to their
full buffers, but missed this StoredBitmap.getBitmap() case where a
bitmap is resonstituted from an xor chain.

Change-Id: I7cf75d9e49c18a1a8a880a4df7e821502edc68a4
Signed-off-by: Terry Parker <tparker@google.com>
---

diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/BasePackBitmapIndex.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/BasePackBitmapIndex.java
index 407061fa16..3884180e19 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/BasePackBitmapIndex.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/BasePackBitmapIndex.java
@@ -104,6 +104,7 @@ abstract class BasePackBitmapIndex extends PackBitmapIndex {
 				r = xb.xorBitmap.bitmapContainer;
 				if (r instanceof EWAHCompressedBitmap) {
 					out = out.xor((EWAHCompressedBitmap) r);
+					out.trim();
 					bitmapContainer = out;
 					return out;
 				}