diff options
Diffstat (limited to 'src/runtime')
| -rw-r--r-- | src/runtime/mheap.go | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/runtime/mheap.go b/src/runtime/mheap.go index 3965d6eb52..f25dbb429d 100644 --- a/src/runtime/mheap.go +++ b/src/runtime/mheap.go @@ -312,8 +312,10 @@ type heapArena struct { // during marking. pageSpecials [pagesPerArena / 8]uint8 - // pageUseSpanDartboard is a bitmap that indicates which spans are - // heap spans and also gcUsesSpanDartboard. + // pageUseSpanInlineMarkBits is a bitmap where each bit corresponds + // to a span, as only spans one page in size can have inline mark bits. + // The bit indicates that the span has a spanInlineMarkBits struct + // stored directly at the top end of the span's memory. pageUseSpanInlineMarkBits [pagesPerArena / 8]uint8 // checkmarks stores the debug.gccheckmark state. It is only |