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Lines 92-107
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| 92 |
#include "vm/Debugger.h" |
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#include "vm/Debugger.h" |
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#include "vm/String.h" |
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#include "vm/String.h" |
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#include "jsobjinlines.h" |
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#include "jsobjinlines.h" |
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#include "vm/CallObject-inl.h" |
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#include "vm/CallObject-inl.h" |
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#include "vm/String-inl.h" |
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#include "vm/String-inl.h" |
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#include "yarr/PageBlock.h" /* for pageSize() */ |
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#ifdef MOZ_VALGRIND |
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#ifdef MOZ_VALGRIND |
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# define JS_VALGRIND |
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# define JS_VALGRIND |
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#endif |
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#endif |
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#ifdef JS_VALGRIND |
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#ifdef JS_VALGRIND |
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# include <valgrind/memcheck.h> |
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# include <valgrind/memcheck.h> |
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#endif |
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#endif |
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using namespace mozilla; |
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using namespace mozilla; |
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Lines 2380-2395
ReleaseObservedTypes(JSContext *cx)
Link Here
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} |
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} |
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return releaseTypes; |
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return releaseTypes; |
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} |
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} |
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static void |
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static void |
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DecommitFreePages(JSContext *cx) |
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DecommitFreePages(JSContext *cx) |
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{ |
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{ |
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/* |
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* If the ArenaSize is smaller than a memory page, we don't attempt to |
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* decommit anything because DecommitMemory() would always fail. |
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*/ |
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if (ArenaSize < pageSize()) |
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return; |
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JSRuntime *rt = cx->runtime; |
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JSRuntime *rt = cx->runtime; |
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for (GCChunkSet::Range r(rt->gcChunkSet.all()); !r.empty(); r.popFront()) { |
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for (GCChunkSet::Range r(rt->gcChunkSet.all()); !r.empty(); r.popFront()) { |
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Chunk *chunk = r.front(); |
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Chunk *chunk = r.front(); |
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while (chunk) { |
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while (chunk) { |
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ArenaHeader *aheader = static_cast<ArenaHeader*>(chunk->info.freeArenasHead); |
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ArenaHeader *aheader = static_cast<ArenaHeader*>(chunk->info.freeArenasHead); |
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/* |
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/* |
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Lines 2402-2425
DecommitFreePages(JSContext *cx)
Link Here
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while (aheader) { |
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while (aheader) { |
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/* Store aside everything we will need after decommit. */ |
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/* Store aside everything we will need after decommit. */ |
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ArenaHeader *next = aheader->next; |
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ArenaHeader *next = aheader->next; |
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bool success = DecommitMemory(aheader, ArenaSize); |
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bool success = DecommitMemory(aheader, ArenaSize); |
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if (!success) { |
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if (!success) { |
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aheader->next = chunk->info.freeArenasHead; |
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aheader->next = chunk->info.freeArenasHead; |
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chunk->info.freeArenasHead = aheader; |
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chunk->info.freeArenasHead = aheader; |
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continue; |
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} else { |
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size_t arenaOffset = Chunk::arenaIndex(reinterpret_cast<uintptr_t>(aheader)); |
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chunk->decommittedArenas.set(arenaOffset); |
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--chunk->info.numArenasFreeCommitted; |
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--rt->gcNumFreeArenas; |
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} |
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} |
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size_t arenaOffset = Chunk::arenaIndex(reinterpret_cast<uintptr_t>(aheader)); |
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chunk->decommittedArenas.set(arenaOffset); |
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--chunk->info.numArenasFreeCommitted; |
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--rt->gcNumFreeArenas; |
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aheader = next; |
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aheader = next; |
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} |
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} |
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chunk = chunk->info.next; |
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chunk = chunk->info.next; |
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} |
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} |
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} |
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} |
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} |
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} |
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