commit 1ab1a14ad97394d384d8dc6de51bb229625e66d6
Author: Benoît Lizé <lizeb@chromium.org>
Date:   Mon Sep 16 12:01:14 2024 +0200

    [cppgc] Decommit pooled pages by default
    
    This reduces committed memory by a large amount, which matters on
    Windows. See the field trial results, which measure committed memory:
    https://screenshot.googleplex.com/kEBAScqJSEXuRoy
    
    Bug: chromium:326303884
    Change-Id: I619257871bcdb7ed50a71f41af341d0df634428a
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/5864909
    Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
    Reviewed-by: Anton Bikineev <bikineev@chromium.org>
    Commit-Queue: Anton Bikineev <bikineev@chromium.org>
    Auto-Submit: Benoit Lize <lizeb@chromium.org>
    Cr-Commit-Position: refs/heads/main@{#96107}

diff --git a/v8/src/flags/flag-definitions.h b/v8/src/flags/flag-definitions.h
index 69946faf5ed..85c4b68612e 100644
--- a/v8/src/flags/flag-definitions.h
+++ b/v8/src/flags/flag-definitions.h
@@ -821,7 +821,7 @@ DEFINE_BOOL(trace_block_coverage, false,
             "trace collected block coverage information")
 DEFINE_BOOL(trace_protector_invalidation, false,
             "trace protector cell invalidations")
-DEFINE_BOOL(decommit_pooled_pages, false,
+DEFINE_BOOL(decommit_pooled_pages, true,
             "decommit, rather than discard pooled pages")
 
 #ifdef V8_MINORMS_STRING_SHORTCUTTING