@dmnks commented on this pull request.
> + * Conservative estimates for thread use on 32bit systems where address
+ * space is an issue: 2GB for bare metal, 3GB for a 32bit process
+ * on a 64bit system.
+ */
+ if (thread) {
+ unsigned long vmem = mem;
+#if __WORDSIZE == 32
+ vmem = UINT32_MAX / 2;
+#else
+#if defined(__linux__)
+ if ((personality(0xffffffff) & PER_MASK) == PER_LINUX32)
+ vmem = (UINT32_MAX / 4) * 3;
+#endif
+#endif
+ /* Fixup to get nice even numbers */
+ vmem = vmem / (1024*1024) + 1;
While at it, maybe add the `proc` variant to the test case, too?
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