diff options
Diffstat (limited to 'src/runtime/mpallocbits.go')
| -rw-r--r-- | src/runtime/mpallocbits.go | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/src/runtime/mpallocbits.go b/src/runtime/mpallocbits.go index 6b5f15dbd8..9f447557c6 100644 --- a/src/runtime/mpallocbits.go +++ b/src/runtime/mpallocbits.go @@ -85,18 +85,14 @@ func (b *pageBits) clearRange(i, n uint) { _ = b[j/64] // Clear leading bits. b[i/64] &^= ^uint64(0) << (i % 64) - for k := i/64 + 1; k < j/64; k++ { - b[k] = 0 - } + clear(b[i/64+1 : j/64]) // Clear trailing bits. b[j/64] &^= (uint64(1) << (j%64 + 1)) - 1 } // clearAll frees all the bits of b. func (b *pageBits) clearAll() { - for i := range b { - b[i] = 0 - } + clear(b[:]) } // clearBlock64 clears the 64-bit aligned block of bits containing the i'th bit that |