gh-112027: Don't print mimalloc warning after mmap() call (gh-113372)

colesbury · web-flow · commit 9afb0e1606ca · 2023-12-22T09:38:27.000+09:00
gh-112027: Don't print mimalloc warning after mmap This changes the warning to a "verbose"-level message in prim.c. The address passed to mmap is only a hint -- it's normal for mmap() to sometimes not respect the hint and return a different address.
diff --git a/Objects/mimalloc/prim/unix/prim.c b/Objects/mimalloc/prim/unix/prim.c
@@ -170,7 +170,7 @@ static void* unix_mmap_prim(void* addr, size_t size, size_t try_alignment, int p
       p = mmap(addr, size, protect_flags, flags | MAP_ALIGNED(n), fd, 0);
       if (p==MAP_FAILED || !_mi_is_aligned(p,try_alignment)) {
         int err = errno;
-        _mi_warning_message("unable to directly request aligned OS memory (error: %d (0x%x), size: 0x%zx bytes, alignment: 0x%zx, hint address: %p)\n", err, err, size, try_alignment, addr);
+        _mi_verbose_message("unable to directly request aligned OS memory (error: %d (0x%x), size: 0x%zx bytes, alignment: 0x%zx, hint address: %p)\n", err, err, size, try_alignment, addr);
       }
       if (p!=MAP_FAILED) return p;
       // fall back to regular mmap
@@ -195,7 +195,7 @@ static void* unix_mmap_prim(void* addr, size_t size, size_t try_alignment, int p
         #else
         int err = errno;
         #endif
-        _mi_warning_message("unable to directly request hinted aligned OS memory (error: %d (0x%x), size: 0x%zx bytes, alignment: 0x%zx, hint address: %p)\n", err, err, size, try_alignment, hint);
+        _mi_verbose_message("unable to directly request hinted aligned OS memory (error: %d (0x%x), size: 0x%zx bytes, alignment: 0x%zx, hint address: %p)\n", err, err, size, try_alignment, hint);
       }
       if (p!=MAP_FAILED) return p;
       // fall back to regular mmap
