From 1d8d361976a42961e2895ec43ed0718d6c6527d7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20Inf=C3=BChr?= <dinfuehr@chromium.org>
Date: Thu, 15 Dec 2022 09:34:23 +0100
Subject: [PATCH] [heap] Update limits in MemoryAllocator::TakeOverLargePage
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When taking over large pages from another heap, allocated limits in
MemoryAllocator need to updated as well.

Bug: v8:13267, chromium:1401077
Change-Id: I2ef349578de34ff697a5fa76da17870fa171df95
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4108649
Commit-Queue: Dominik Inführ <dinfuehr@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#84859}
---
 src/heap/memory-allocator.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/heap/memory-allocator.cc b/src/heap/memory-allocator.cc
index 3ab82e2b6c..9cc186ae6d 100644
--- a/src/heap/memory-allocator.cc
+++ b/src/heap/memory-allocator.cc
@@ -485,6 +485,10 @@ void MemoryAllocator::TakeOverLargePage(LargePage* page,
 
   size_ += page->size();
   RecordLargePageCreated(*page);
+
+  const size_t area_end_page_aligned =
+      ::RoundUp(page->area_end(), GetCommitPageSize());
+  UpdateAllocatedSpaceLimits(page->address(), area_end_page_aligned);
 }
 
 void MemoryAllocator::FreeReadOnlyPage(ReadOnlyPage* chunk) {