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Merge 8d8e0c68b0 into 35c1470935

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liminfei-amd 2026-07-03 09:38:35 +08:00 committed by GitHub
commit 7fa877f9d7
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comfy/model_management.py
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@ -1534,7 +1534,14 @@ def pin_memory(tensor):
size = tensor.nbytes
comfy.memory_management.extra_ram_release(comfy.memory_management.RAM_CACHE_HEADROOM)
ensure_pin_registerable(size)
# Respect the host-RAM budget like the dynamic-VRAM pin path (comfy/pinned_memory.py)
# already does. Without this gate the static load path keeps cudaHostRegister-ing
# offloaded weights toward MAX_PINNED_MEMORY (90% of RAM on Linux) regardless of how
# little RAM is actually free, so unswappable pages fill RAM+swap and large model
# loads stall (issue #13730). When the budget cannot be met, skip pinning and leave
# the weight in pageable RAM (still correct, just not pinned).
if not ensure_pin_budget(size) or not ensure_pin_registerable(size):
return False
ptr = tensor.data_ptr()
if ptr == 0: