1 files changed, 0 insertions, 103 deletions
diff --git a/meta-openembedded/meta-oe/recipes-extended/mozjs/mozjs/0004-mozbug746112-no-decommit-on-large-pages.patch b/meta-openembedded/meta-oe/recipes-extended/mozjs/mozjs/0004-mozbug746112-no-decommit-on-large-pages.patch
deleted file mode 100644
index 8bd35d405..000000000
--- a/meta-openembedded/meta-oe/recipes-extended/mozjs/mozjs/0004-mozbug746112-no-decommit-on-large-pages.patch
+++ /dev/null
@@ -1,103 +0,0 @@
-From 0128c5a9eeee0d3fc0deb9129dd20eb79338c8f4 Mon Sep 17 00:00:00 2001
-From: Koen Kooi <koen.kooi@linaro.org>
-Date: Mon, 2 Mar 2015 19:08:59 +0800
-Subject: [PATCH 4/5] mozbug746112-no-decommit-on-large-pages
-
----
-Upstream-status: Pending
-
- js/src/gc/Heap.h | 15 ++++++++++-----
- js/src/jsgc.cpp  | 15 ++++++++++++---
- 2 files changed, 22 insertions(+), 8 deletions(-)
-
-diff --git a/js/src/gc/Heap.h b/js/src/gc/Heap.h
-index b8f8c78..1cfd269 100644
---- a/js/src/gc/Heap.h
-+++ b/js/src/gc/Heap.h
-@@ -103,26 +103,31 @@ struct Cell
- };
- 
- /*
-- * Page size is 4096 by default, except for SPARC, where it is 8192.
-+ * Page size must be static to support our arena pointer optimizations, so we
-+ * are forced to support each platform with non-4096 pages as a special case.
-+ * Note: The freelist supports a maximum arena shift of 15.
-  * Note: Do not use JS_CPU_SPARC here, this header is used outside JS.
-  * Bug 692267: Move page size definition to gc/Memory.h and include it
-  *             directly once jsgc.h is no longer an installed header.
-  */
- #if defined(SOLARIS) && (defined(__sparc) || defined(__sparcv9))
- const size_t PageShift = 13;
-+const size_t ArenaShift = PageShift;
-+#elif defined(__powerpc__)
-+const size_t PageShift = 16;
-+const size_t ArenaShift = 12;
- #else
- const size_t PageShift = 12;
-+const size_t ArenaShift = PageShift;
- #endif
- const size_t PageSize = size_t(1) << PageShift;
-+const size_t ArenaSize = size_t(1) << ArenaShift;
-+const size_t ArenaMask = ArenaSize - 1;
- 
- const size_t ChunkShift = 20;
- const size_t ChunkSize = size_t(1) << ChunkShift;
- const size_t ChunkMask = ChunkSize - 1;
- 
--const size_t ArenaShift = PageShift;
--const size_t ArenaSize = PageSize;
--const size_t ArenaMask = ArenaSize - 1;
--
- /*
-  * This is the maximum number of arenas we allow in the FreeCommitted state
-  * before we trigger a GC_SHRINK to release free arenas to the OS.
-diff --git a/js/src/jsgc.cpp b/js/src/jsgc.cpp
-index b3caf05..a258d2d 100644
---- a/js/src/jsgc.cpp
-+++ b/js/src/jsgc.cpp
-@@ -251,6 +251,13 @@ static const int BackgroundPhaseLength[] = {
-     sizeof(BackgroundPhaseStrings) / sizeof(AllocKind)
- };
- 
-+/* Unused memory decommiting requires the arena size match the page size. */
-+static bool
-+DecommitEnabled()
-+{
-+    return PageSize == ArenaSize;
-+}
-+
- #ifdef DEBUG
- void
- ArenaHeader::checkSynchronizedWithFreeList() const
-@@ -742,7 +749,8 @@ Chunk::fetchNextDecommittedArena()
-     decommittedArenas.unset(offset);
- 
-     Arena *arena = &arenas[offset];
--    MarkPagesInUse(arena, ArenaSize);
-+    if (DecommitEnabled())
-+        MarkPagesInUse(arena, ArenaSize);
-     arena->aheader.setAsNotAllocated();
- 
-     return &arena->aheader;
-@@ -2731,7 +2739,7 @@ DecommitArenasFromAvailableList(JSRuntime *rt, Chunk **availableListHeadp)
-                 chunk->removeFromAvailableList();
- 
-             size_t arenaIndex = Chunk::arenaIndex(aheader->arenaAddress());
--            bool ok;
-+            bool ok = true;
-             {
-                 /*
-                  * If the main thread waits for the decommit to finish, skip
-@@ -2741,7 +2749,8 @@ DecommitArenasFromAvailableList(JSRuntime *rt, Chunk **availableListHeadp)
-                 Maybe<AutoUnlockGC> maybeUnlock;
-                 if (!rt->isHeapBusy())
-                     maybeUnlock.construct(rt);
--                ok = MarkPagesUnused(aheader->getArena(), ArenaSize);
-+                if (DecommitEnabled())
-+                    ok = MarkPagesUnused(aheader->getArena(), ArenaSize);
-             }
- 
-             if (ok) {
--- 
-1.9.3
-