AuroraMiddleware/v8
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[api] Fix AdjustAmountOfExternalAllocatedMemory memory reducer

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The reduer should only fire on increasing memory.

R=ulan@chromium.org

Change-Id: I4abd956ea14730b223724a01af819be574b1aa3a
Reviewed-on: https://chromium-review.googlesource.com/c/1308354
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57149}
This commit is contained in:
Michael Lippautz 2018-10-30 19:47:29 +01:00 committed by Commit Bot
parent 81ee4aa934
commit 2995df7d30
1 changed files with 3 additions and 1 deletions
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4
include/v8.h
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@ -10406,7 +10406,9 @@ int64_t Isolate::AdjustAmountOfExternalAllocatedMemory(
*external_memory = amount;
int64_t allocation_diff_since_last_mc =
*external_memory_at_last_mc - *external_memory;
*external_memory - *external_memory_at_last_mc;
// Only check memory pressure and potentially trigger GC if the amount of
// external memory increased.
if (allocation_diff_since_last_mc > kMemoryReducerActivationLimit) {
CheckMemoryPressure();
}