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Bug 1532838 - Add a pref for the minimum nursery size r=mccr8
Differential Revision: https://phabricator.services.mozilla.com/D29815 --HG-- extra : moz-landing-system : lando
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@ -2355,8 +2355,8 @@ static void SetMemoryPrefChangedCallbackMB(const char* aPrefName,
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}
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}
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static void SetMemoryNurseryMaxPrefChangedCallback(const char* aPrefName,
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void* aClosure) {
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static void SetMemoryNurseryPrefChangedCallback(const char* aPrefName,
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void* aClosure) {
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int32_t prefKB = Preferences::GetInt(aPrefName, -1);
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// handle overflow and negative pref values
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CheckedInt<int32_t> prefB = CheckedInt<int32_t>(prefKB) * 1024;
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@ -2511,7 +2511,10 @@ void nsJSContext::EnsureStatics() {
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Preferences::RegisterCallbackAndCall(SetMemoryPrefChangedCallbackMB,
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"javascript.options.mem.max",
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(void*)JSGC_MAX_BYTES);
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Preferences::RegisterCallbackAndCall(SetMemoryNurseryMaxPrefChangedCallback,
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Preferences::RegisterCallbackAndCall(SetMemoryNurseryPrefChangedCallback,
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"javascript.options.mem.nursery.min_kb",
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(void*)JSGC_MIN_NURSERY_BYTES);
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Preferences::RegisterCallbackAndCall(SetMemoryNurseryPrefChangedCallback,
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"javascript.options.mem.nursery.max_kb",
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(void*)JSGC_MAX_NURSERY_BYTES);
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@ -303,7 +303,7 @@ typedef enum JSGCParamKey {
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* gc::ChunkSize, otherwise it'll be rounded to the nearest gc::ChunkSize.
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*
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* Default: Nursery::SubChunkLimit
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* Pref: None
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* Pref: javascript.options.mem.nursery.min_kb
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*/
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JSGC_MIN_NURSERY_BYTES = 31,
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@ -1479,10 +1479,12 @@ pref("javascript.options.mem.high_water_mark", 128);
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// cannot be represented directly in order to show it in about:config.
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pref("javascript.options.mem.max", -1);
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// JSGC_MAX_NURSERY_BYTES
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// JSGC_MIN_NURSERY_BYTES / JSGC_MAX_NURSERY_BYTES
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#if defined(ANDROID) || defined(XP_IOS)
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pref("javascript.options.mem.nursery.min_kb", 192);
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pref("javascript.options.mem.nursery.max_kb", 4096);
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#else
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pref("javascript.options.mem.nursery.min_kb", 192);
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pref("javascript.options.mem.nursery.max_kb", 16384);
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#endif
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