1 files changed, 18 insertions, 0 deletions
diff --git a/libgo/go/runtime/mpallocbits.go b/libgo/go/runtime/mpallocbits.go
index ff112300c37..f63164becd3 100644
--- a/libgo/go/runtime/mpallocbits.go
+++ b/libgo/go/runtime/mpallocbits.go
@@ -57,6 +57,12 @@ func (b *pageBits) setAll() {
 	}
 }
 
+// setBlock64 sets the 64-bit aligned block of bits containing the i'th bit that
+// are set in v.
+func (b *pageBits) setBlock64(i uint, v uint64) {
+	b[i/64] |= v
+}
+
 // clear clears bit i of pageBits.
 func (b *pageBits) clear(i uint) {
 	b[i/64] &^= 1 << (i % 64)
@@ -93,6 +99,12 @@ func (b *pageBits) clearAll() {
 	}
 }
 
+// clearBlock64 clears the 64-bit aligned block of bits containing the i'th bit that
+// are set in v.
+func (b *pageBits) clearBlock64(i uint, v uint64) {
+	b[i/64] &^= v
+}
+
 // popcntRange counts the number of set bits in the
 // range [i, i+n).
 func (b *pageBits) popcntRange(i, n uint) (s uint) {
@@ -367,6 +379,12 @@ func (b *pallocBits) pages64(i uint) uint64 {
 	return (*pageBits)(b).block64(i)
 }
 
+// allocPages64 allocates a 64-bit block of 64 pages aligned to 64 pages according
+// to the bits set in alloc. The block set is the one containing the i'th page.
+func (b *pallocBits) allocPages64(i uint, alloc uint64) {
+	(*pageBits)(b).setBlock64(i, alloc)
+}
+
 // findBitRange64 returns the bit index of the first set of
 // n consecutive 1 bits. If no consecutive set of 1 bits of
 // size n may be found in c, then it returns an integer >= 64.