475425201a
Setting stackCache to 0 to disable stack caches for debugging hasn't worked for a long time. It causes stackalloc to fall back to full span allocation, round sub-page stacks down to 0 pages, and blow up. Fix this debug mode so it disables the per-P caches, but continues to use the global stack pools for small stacks, which correctly handle sub-page stacks. While we're here, rename stackCache to stackNoCache so it acts like the rest of the stack allocator debug modes where "0" is the right default value. Fixes #17291. Change-Id: If401c41cee3448513cbd7bb2e9334a8efab257a7 Reviewed-on: https://go-review.googlesource.com/43637 Reviewed-by: Keith Randall <khr@golang.org> |
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The Go Programming Language
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