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core: make txPricedList.stales the first field for 64bit alignment (#23542)

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This fixes crashes on 32bit builds.
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Felix Lange 2021-09-07 16:15:11 +02:00 committed by GitHub
parent 6ef3a16869
commit 51ed39c093
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1 changed files with 6 additions and 1 deletions
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7
core/tx_list.go
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@ -480,9 +480,14 @@ func (h *priceHeap) Pop() interface{} {
// better candidates for inclusion while in other cases (at the top of the baseFee peak)
// the floating heap is better. When baseFee is decreasing they behave similarly.
type txPricedList struct {
// Number of stale price points to (re-heap trigger).
// This field is accessed atomically, and must be the first field
// to ensure it has correct alignment for atomic.AddInt64.
// See https://golang.org/pkg/sync/atomic/#pkg-note-BUG.
stales int64
all *txLookup // Pointer to the map of all transactions
urgent, floating priceHeap // Heaps of prices of all the stored **remote** transactions
stales int64 // Number of stale price points to (re-heap trigger)
reheapMu sync.Mutex // Mutex asserts that only one routine is reheaping the list
}