diff options
Diffstat (limited to 'src/runtime/stack.go')
| -rw-r--r-- | src/runtime/stack.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/runtime/stack.go b/src/runtime/stack.go index 284c6b3b84..8ae9c1e698 100644 --- a/src/runtime/stack.go +++ b/src/runtime/stack.go @@ -852,6 +852,11 @@ func copystack(gp *g, newsize uintptr) { throw("nil stackbase") } used := old.hi - gp.sched.sp + // Add just the difference to gcController.addScannableStack. + // g0 stacks never move, so this will never account for them. + // It's also fine if we have no P, addScannableStack can deal with + // that case. + gcController.addScannableStack(getg().m.p.ptr(), int64(newsize)-int64(old.hi-old.lo)) // allocate new stack new := stackalloc(uint32(newsize)) |