Commits on Dec 31, 2019

1. src: make --use-largepages a runtime option …

   Moves the option that instructs Node.js to-remap its static code to
   large pages from a configure-time option to a runtime option. This
   should make it easy to assess the performance impact of such a change
   without having to custom-build.
   
   PR-URL: nodejs#30954
   Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
   Reviewed-By: David Carlier <devnexen@gmail.com>
   Reviewed-By: David Carlier <devnexen@gmail.com>
   Reviewed-By: Anna Henningsen <anna@addaleax.net>
   Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
   Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
   Reviewed-By: Denys Otrishko <shishugi@gmail.com>
   Co-authored-by: David Carlier <devnexen@gmail.com>

   

   Gabriel Schulhof and devnexen committed Dec 31, 2019
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2. build: re-introduce --use-largepages as no-op …

   Re-introduce the build-time option as a no-op in order to retain
   backward compatibility for LTS purposes.
   
   Re: nodejs#31063 (review)
   PR_URL: nodejs#31075
   Reviewed-By: Anna Henningsen <anna@addaleax.net>
   Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
   Reviewed-By: Richard Lau <riclau@uk.ibm.com>
   Reviewed-By: Beth Griggs <Bethany.Griggs@uk.ibm.com>
   Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

   Gabriel Schulhof committed Dec 31, 2019
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3. build: switch realpath to pwd …

   PR-URL: nodejs#31095
   Reviewed-By: Anna Henningsen <anna@addaleax.net>
   Reviewed-By: Gabriel Schulhof <gabriel.schulhof@intel.com>
   Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

   

   bcoe authored and Gabriel Schulhof committed Dec 31, 2019
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4. src: make large_pages node.cc include conditional …

   The usage of the relevant methods from the file is conditional so make
   the include conditional too.
   
   PR-URL: nodejs#31078
   Reviewed-By: Anna Henningsen <anna@addaleax.net>
   Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
   Reviewed-By: Richard Lau <riclau@uk.ibm.com>
   Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
   Reviewed-By: David Carlier <devnexen@gmail.com>
   Reviewed-By: James M Snell <jasnell@gmail.com>
   Reviewed-By: Rich Trott <rtrott@gmail.com>

   

   lundibundi authored and Gabriel Schulhof committed Dec 31, 2019
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5. build: warn upon --use-largepages config option …

   Emit a warning when the user configures with `--use-largepages` and/or
   `--use-largepages-script-lld` informing them that the option is now
   available as a Node.js runtime option once it is built.
   
   Refs: nodejs#31063 (comment)
   PR-URL: nodejs#31103
   Reviewed-By: Richard Lau <riclau@uk.ibm.com>
   Reviewed-By: Denys Otrishko <shishugi@gmail.com>

   Gabriel Schulhof committed Dec 31, 2019
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