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| author | Austin Clements <austin@google.com> | 2015-11-24 13:52:28 -0500 |
|---|---|---|
| committer | Austin Clements <austin@google.com> | 2016-01-12 02:00:48 +0000 |
| commit | 352e287bf72229f274233a34e3382ad28d791d89 (patch) | |
| tree | 0046e45c3d5d99f21cdfc9e4a1f984bbcd70a74c | |
| parent | 1abb863d8341b17d7de725436a85198546a9fc01 (diff) | |
| download | go-352e287bf72229f274233a34e3382ad28d791d89.tar.gz go-352e287bf72229f274233a34e3382ad28d791d89.zip | |
runtime: fix incorrect comment
This comment is probably a hold-over from when the heap bitmap was
interleaved and the shift was 0, 2, 4, or 6. Now the shift is 0, 1, 2,
or 3.
Change-Id: I096ec729e1ca31b708455c98b573dd961d16aaee
Reviewed-on: https://go-review.googlesource.com/18531
Run-TryBot: Austin Clements <austin@google.com>
Reviewed-by: Rick Hudson <rlh@golang.org>
| -rw-r--r-- | src/runtime/mbitmap.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/runtime/mbitmap.go b/src/runtime/mbitmap.go index 03435a57cb..336d4d8c81 100644 --- a/src/runtime/mbitmap.go +++ b/src/runtime/mbitmap.go @@ -333,7 +333,7 @@ func (h heapBits) hasPointers(size uintptr) bool { return true } // Otherwise, at least a 2-word object, and at least 2-word aligned, - // so h.shift is either 0 or 4, so we know we can get the bits for the + // so h.shift is either 0 or 2, so we know we can get the bits for the // first two words out of *h.bitp. // If either of the first two words is a pointer, not pointer free. b := uint32(*h.bitp >> h.shift) |