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-rw-r--r--guix/self.scm5
1 files changed, 2 insertions, 3 deletions
diff --git a/guix/self.scm b/guix/self.scm
index 87d00ea64f..530632db7d 100644
--- a/guix/self.scm
+++ b/guix/self.scm
@@ -407,9 +407,8 @@ a list of extra files, such as '(\"contributing\")."
                                     "\\.[a-z]{2}(_[A-Z]{2})?\\.po$")))
 
           (define parallel-jobs
-            ;; Limit thread creation by 'n-par-for-each'.  Going beyond can
-            ;; lead libgc 8.0.4 to abort with:
-            ;; mmap(PROT_NONE) failed
+            ;; Limit thread creation by 'n-par-for-each', mostly to put an
+            ;; upper bound on memory usage.
             (min (parallel-job-count) 4))
 
           (mkdir #$output)