1 files changed, 22 insertions, 0 deletions
diff --git a/src/runtime/export_test.go b/src/runtime/export_test.go
index 48628370db..b1ebfba0d1 100644
--- a/src/runtime/export_test.go
+++ b/src/runtime/export_test.go
@@ -684,6 +684,25 @@ func (d *PallocData) Scavenged() *PallocBits {
 // Expose fillAligned for testing.
 func FillAligned(x uint64, m uint) uint64 { return fillAligned(x, m) }
 
+// Expose pageCache for testing.
+type PageCache pageCache
+
+const PageCachePages = pageCachePages
+
+func NewPageCache(base uintptr, cache, scav uint64) PageCache {
+	return PageCache(pageCache{base: base, cache: cache, scav: scav})
+}
+func (c *PageCache) Empty() bool   { return (*pageCache)(c).empty() }
+func (c *PageCache) Base() uintptr { return (*pageCache)(c).base }
+func (c *PageCache) Cache() uint64 { return (*pageCache)(c).cache }
+func (c *PageCache) Scav() uint64  { return (*pageCache)(c).scav }
+func (c *PageCache) Alloc(npages uintptr) (uintptr, uintptr) {
+	return (*pageCache)(c).alloc(npages)
+}
+func (c *PageCache) Flush(s *PageAlloc) {
+	(*pageCache)(c).flush((*pageAlloc)(s))
+}
+
 // Expose chunk index type.
 type ChunkIdx chunkIdx
 
@@ -694,6 +713,9 @@ type PageAlloc pageAlloc
 func (p *PageAlloc) Alloc(npages uintptr) (uintptr, uintptr) {
 	return (*pageAlloc)(p).alloc(npages)
 }
+func (p *PageAlloc) AllocToCache() PageCache {
+	return PageCache((*pageAlloc)(p).allocToCache())
+}
 func (p *PageAlloc) Free(base, npages uintptr) {
 	(*pageAlloc)(p).free(base, npages)
 }