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runtime: remove unused scanSize parameter to gcmarknewobject

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This was left over from the old pacer, and never removed when the old
pacer was removed in Go 1.19.

Change-Id: I79e5f0420c6100c66bd06129a68f5bbab7c1ea8f
Reviewed-on: https://go-review.googlesource.com/c/go/+/429256
Reviewed-by: Keith Randall <khr@google.com>
Run-TryBot: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
This commit is contained in:
Michael Anthony Knyszek 2022-09-07 20:33:06 +00:00 • committed by Gopher Robot
parent 2caaad942e
commit 51c34e2f0b
2 changed files with 3 additions and 3 deletions
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4
src/runtime/malloc.go
View file

@ -1052,8 +1052,8 @@ func mallocgc(size uintptr, typ *_type, needzero bool) unsafe.Pointer {
} }
} }
var scanSize uintptr
if !noscan { if !noscan {
var scanSize uintptr
heapBitsSetType(uintptr(x), size, dataSize, typ) heapBitsSetType(uintptr(x), size, dataSize, typ)
if dataSize > typ.size { if dataSize > typ.size {
// Array allocation. If there are any // Array allocation. If there are any
@ -1081,7 +1081,7 @@ func mallocgc(size uintptr, typ *_type, needzero bool) unsafe.Pointer {
// This may be racing with GC so do it atomically if there can be // This may be racing with GC so do it atomically if there can be
// a race marking the bit. // a race marking the bit.
if gcphase != _GCoff { if gcphase != _GCoff {
gcmarknewobject(span, uintptr(x), size, scanSize) gcmarknewobject(span, uintptr(x), size)
} }
if raceenabled { if raceenabled {

2
src/runtime/mgcmark.go
View file

@ -1563,7 +1563,7 @@ func gcDumpObject(label string, obj, off uintptr) {
// //
//go:nowritebarrier //go:nowritebarrier
//go:nosplit //go:nosplit
func gcmarknewobject(span *mspan, obj, size, scanSize uintptr) { func gcmarknewobject(span *mspan, obj, size uintptr) {
if useCheckmark { // The world should be stopped so this should not happen. if useCheckmark { // The world should be stopped so this should not happen.
throw("gcmarknewobject called while doing checkmark") throw("gcmarknewobject called while doing checkmark")
} }