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runtime: remove alignment padding in mheap and pageAlloc

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All subfields use atomic types to ensure alignment, so there's no more
need for these fields.

Change-Id: Iada4253f352a074073ce603f1f6b07cbd5b7c58a
Reviewed-on: https://go-review.googlesource.com/c/go/+/429220
Run-TryBot: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
This commit is contained in:
Michael Anthony Knyszek 2022-09-07 20:11:00 +00:00 • committed by Gopher Robot
parent 1c59199c91
commit e28cc362a8
2 changed files with 0 additions and 8 deletions
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2
src/runtime/mpagealloc.go
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@ -267,8 +267,6 @@ type pageAlloc struct {
// All access is protected by the mheapLock.
inUse addrRanges
_ uint32 // Align scav so it's easier to reason about alignment within scav.
// scav stores the scavenger state.
scav struct {
// index is an efficient index of chunks that have pages available to