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add 64 bytes padding to seperate the data into different cacheline to fix HITM issue across CPU sockets

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This commit is contained in:
Heyuan Liu 2021-09-08 10:49:19 +08:00
parent bab79dd362
commit d08c3987b6
1 changed files with 3 additions and 0 deletions
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3
src/runtime/mheap.go
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@ -134,6 +134,9 @@ type mheap struct {
// This is accessed atomically.
reclaimCredit uintptr
//add 64 bytes padding to seperate the data into different cacheline to fix HITM issue across CPU sockets
_ [8]uint64
// arenas is the heap arena map. It points to the metadata for
// the heap for every arena frame of the entire usable virtual
// address space.