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https://android-review.googlesource.com/c/platform/art/+/2226578 https://groups.google.com/g/Android-building/c/ZfUQQWt_ABI Signed-off-by: Tad <tad@spotco.us>
32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Ryo Hashimoto <hashimoto@google.com>
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Date: Wed, 14 Sep 2022 17:28:03 +0900
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Subject: [PATCH] DO NOT MERGE: Workaround for mmap error when building
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To fix errors which happen when building Android P on a workstation
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running Linux kernel 5.18.
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Bug: 235181357
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Test: build
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Change-Id: I92e5a7b84c8018d50c38ec386428e3191cd5600c
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---
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runtime/mem_map.cc | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/runtime/mem_map.cc b/runtime/mem_map.cc
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index b9d51c1125..f034a3db4f 100644
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--- a/runtime/mem_map.cc
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+++ b/runtime/mem_map.cc
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@@ -504,6 +504,11 @@ MemMap* MemMap::MapFileAtAddress(uint8_t* expected_ptr,
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DCHECK(ContainedWithinExistingMap(expected_ptr, byte_count, error_msg))
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<< ((error_msg != nullptr) ? *error_msg : std::string());
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flags |= MAP_FIXED;
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+#if !defined(ART_TARGET)
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+ } else if (expected_ptr) {
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+#define MAP_FIXED_NOREPLACE 0x100000
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+ flags |= MAP_FIXED_NOREPLACE;
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+#endif
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} else {
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CHECK_EQ(0, flags & MAP_FIXED);
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// Don't bother checking for an overlapping region here. We'll
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