Merge remote-tracking branch 'origin/fix/cold-hint-uploaded-memory' into test/linux-all-prs

1 files changed, 6 insertions, 0 deletions

diff --git a/src/common/host_memory.h b/src/common/host_memory.h
index 8747a1850f..4d8d15cf58 100644
--- a/src/common/host_memory.h
+++ b/src/common/host_memory.h
@@ -54,6 +54,12 @@ public:
 
     void ClearBackingRegion(size_t physical_offset, size_t length, u32 fill_value);
 
+    /// Memory written once and read again rarely: its pages leave the working set (backing and,
+    /// when given, its view at virtual_offset), so the OS compresses or pages them out first when
+    /// it needs RAM. The contents stay; using the pages brings them back.
+    void HintCold(size_t physical_offset, size_t length,
+                  std::optional<size_t> virtual_offset) const;
+
     [[nodiscard]] u8* BackingBasePointer() noexcept {
         return backing_base;
     }