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gh-83765: indicate the maximum amount of memory on macOS #138552

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gh-83765: indicate the maximum amount of memory on macOS #138552

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3002434
fix: indicate the maximum amount of memory on macOS (83765)
Sep 5, 2025
c431990
chore: numbers format
Sep 6, 2025
3c34ccc
fix: maximum size for a 64-bit process on mac 64
Sep 6, 2025
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3 changes: 3 additions & 0 deletions Doc/library/multiprocessing.shared_memory.rst
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Expand Up @@ -69,6 +69,9 @@ copying of data.
memory block may be larger or equal to the size requested.
When attaching to an existing shared memory block,
the *size* parameter is ignored.
On macOS, the theoretical addressable memory space for a 64-bit architecture
is limited to 128 TiB (:math:`128 \times 2^{40}` bytes). This amount
limits the maximum size of a shared memory block.

:param bool track:
When ``True``, register the shared memory block with a resource
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