From 15ed5155813852d3c344c0c23a05639c8ad5c186 Mon Sep 17 00:00:00 2001
From: Zanie Blue <contact@zanie.dev>
Date: Tue, 14 Jan 2025 17:28:43 -0600
Subject: [PATCH 1/2] Enable `-hugify` for BOLT

---
 configure    | 2 +-
 configure.ac | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index 70581e11b60682..76787a24ef4c26 100755
--- a/configure
+++ b/configure
@@ -9429,7 +9429,7 @@ printf "%s\n" "$BOLT_INSTRUMENT_FLAGS" >&6; }
 printf %s "checking BOLT_APPLY_FLAGS... " >&6; }
 if test -z "${BOLT_APPLY_FLAGS}"
 then
-  BOLT_APPLY_FLAGS=" ${BOLT_COMMON_FLAGS} -reorder-blocks=ext-tsp -reorder-functions=cdsort -split-functions -icf=1 -inline-all -split-eh -reorder-functions-use-hot-size -peepholes=none -jump-tables=aggressive -inline-ap -indirect-call-promotion=all -dyno-stats -use-gnu-stack -frame-opt=hot "
+  BOLT_APPLY_FLAGS=" ${BOLT_COMMON_FLAGS} -reorder-blocks=ext-tsp -reorder-functions=cdsort -split-functions -icf=1 -inline-all -split-eh -reorder-functions-use-hot-size -peepholes=none -jump-tables=aggressive -inline-ap -indirect-call-promotion=all -dyno-stats -use-gnu-stack -frame-opt=hot -hugify "
 
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $BOLT_APPLY_FLAGS" >&5
diff --git a/configure.ac b/configure.ac
index d7c3920d049d67..c9e4a6e364d124 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2229,6 +2229,7 @@ then
      -dyno-stats
      -use-gnu-stack
      -frame-opt=hot
+     -hugify
    ")]
   )
 fi

From 8be101a975d76d7547e1f409b3f0de079bd710da Mon Sep 17 00:00:00 2001
From: Zanie Blue <contact@zanie.dev>
Date: Tue, 14 Jan 2025 17:32:51 -0600
Subject: [PATCH 2/2] NEWS

---
 .../next/Build/2025-01-14-17-32-43.gh-issue-128849.W4wCaJ.rst   | 2 ++
 1 file changed, 2 insertions(+)
 create mode 100644 Misc/NEWS.d/next/Build/2025-01-14-17-32-43.gh-issue-128849.W4wCaJ.rst

diff --git a/Misc/NEWS.d/next/Build/2025-01-14-17-32-43.gh-issue-128849.W4wCaJ.rst b/Misc/NEWS.d/next/Build/2025-01-14-17-32-43.gh-issue-128849.W4wCaJ.rst
new file mode 100644
index 00000000000000..f5e97827eb4881
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2025-01-14-17-32-43.gh-issue-128849.W4wCaJ.rst
@@ -0,0 +1,2 @@
+Enable loading hot code into 2MB pages (hugify) when BOLT optimizations are
+enabled.