runtime: make gcDrainN take an int instead of uintptr
Nit. There's no reason to take a uintptr and doing so just requires
casts in annoying places.
Change-Id: Ifeb9638c6d94eae619c490930cf724cc315680ba
Reviewed-on: https://go-review.googlesource.com/5230
Reviewed-by: Russ Cox <rsc@golang.org>
diff --git a/src/runtime/mgc.go b/src/runtime/mgc.go
index 1a3e70f..7d68d5b 100644
--- a/src/runtime/mgc.go
+++ b/src/runtime/mgc.go
@@ -494,9 +494,9 @@
// gcDrainN scans n objects starting with those in wbuf, blackening
// grey objects.
//go:nowritebarrier
-func gcDrainN(wbuf *workbuf, n uintptr) *workbuf {
+func gcDrainN(wbuf *workbuf, n int) *workbuf {
checknocurrentwbuf()
- for i := uintptr(0); i < n; i++ {
+ for i := 0; i < n; i++ {
if wbuf.nobj == 0 {
putempty(wbuf, 544)
wbuf = trygetfull(545)
@@ -817,7 +817,7 @@
wbuf = trygetfull(1228)
}
if wbuf != nil {
- wbuf = gcDrainN(wbuf, uintptr(len(wbuf.obj))) // drain upto one buffer's worth of objects
+ wbuf = gcDrainN(wbuf, len(wbuf.obj)) // drain upto one buffer's worth of objects
if wbuf != nil {
if wbuf.nobj != 0 {
putfull(wbuf, 1175)
