diff --git a/comfy/model_management.py b/comfy/model_management.py
index aeddbaefe..f97baaeb4 100644
--- a/comfy/model_management.py
+++ b/comfy/model_management.py
@@ -26,6 +26,8 @@ import importlib
 import platform
 import weakref
 import gc
+from pathlib import Path
+
 
 class VRAMState(Enum):
     DISABLED = 0    #No vram present: no need to move models to vram
@@ -193,7 +195,7 @@ def get_total_memory(dev=None, torch_total_too=False):
         dev = get_torch_device()
 
     if hasattr(dev, 'type') and (dev.type == 'cpu' or dev.type == 'mps'):
-        mem_total = psutil.virtual_memory().total
+        mem_total = _CGROUP_LIMIT_BYTES or psutil.virtual_memory().total
         mem_total_torch = mem_total
     else:
         if directml_enabled:
@@ -235,8 +237,28 @@ def mac_version():
     except:
         return None
 
+
+_CG = Path("/sys/fs/cgroup")
+if (_CG / "memory.max").exists():                           # cgroup v2
+    _LIMIT_F = _CG / "memory.max"
+    _USED_F  = _CG / "memory.current"
+else:                                                       # cgroup v1
+    _LIMIT_F = _CG / "memory/memory.limit_in_bytes"
+    _USED_F  = _CG / "memory/memory.usage_in_bytes"
+
+def _get_cgroup_value(p: Path):
+    try:
+        v = int(p.read_text().strip())
+        if v == 0 or v >= (1 << 60):
+            return None  # 'max' in v2 shows up as 2**63-1 or 0, treat both as unlimited
+        return v
+    except (FileNotFoundError, PermissionError, ValueError):
+        return None
+
+_CGROUP_LIMIT_BYTES = _get_cgroup_value(_LIMIT_F)
+
 total_vram = get_total_memory(get_torch_device()) / (1024 * 1024)
-total_ram = psutil.virtual_memory().total / (1024 * 1024)
+total_ram = (_CGROUP_LIMIT_BYTES or psutil.virtual_memory().total) / (1024 * 1024)
 logging.info("Total VRAM {:0.0f} MB, total RAM {:0.0f} MB".format(total_vram, total_ram))
 
 try:
@@ -1261,7 +1283,14 @@ def get_free_memory(dev=None, torch_free_too=False):
     if dev is None:
         dev = get_torch_device()
 
-    if hasattr(dev, 'type') and (dev.type == 'cpu' or dev.type == 'mps'):
+    if hasattr(dev, 'type') and dev.type == 'cpu':
+        used = _get_cgroup_value(_USED_F) if _CGROUP_LIMIT_BYTES is not None else None
+        if _CGROUP_LIMIT_BYTES is not None and used is not None:
+            mem_free_total = max(_CGROUP_LIMIT_BYTES - used, 0)
+        else:
+            mem_free_total = psutil.virtual_memory().available
+        mem_free_torch = mem_free_total
+    elif hasattr(dev, 'type') and dev.type == 'mps':
         mem_free_total = psutil.virtual_memory().available
         mem_free_torch = mem_free_total
     else: