Process.warmup: precompute strings coderange

This both save time for when it will be eventually needed,
and avoid mutating heap pages after a potential fork.

Instrumenting some large Rails app, I've witnessed up to
58% of String instances having their coderange still unknown.

1 files changed, 1 insertions, 1 deletions

diff --git a/process.c b/process.c
index 5761aea718..91f434f5e2 100644
--- a/process.c
+++ b/process.c
@@ -8555,6 +8555,7 @@ static VALUE rb_mProcID_Syscall;
  *  * Perform a major GC.
  *  * Compacts the heap.
  *  * Promotes all surviving objects to the old generation.
+ *  * Precompute the coderange of all strings.
  */
 
 static VALUE
@@ -8566,7 +8567,6 @@ proc_warmup(VALUE _)
     return Qtrue;
 }
 
-
 /*
  * Document-module: Process
  *