1 files changed, 0 insertions, 115 deletions
diff --git a/src/mongo/util/pin_code_segments.cpp b/src/mongo/util/pin_code_segments.cpp
deleted file mode 100644
index 8d685d86d1d..00000000000
--- a/src/mongo/util/pin_code_segments.cpp
+++ /dev/null
@@ -1,115 +0,0 @@
-/**
- *    Copyright (C) 2023-present MongoDB, Inc.
- *
- *    This program is free software: you can redistribute it and/or modify
- *    it under the terms of the Server Side Public License, version 1,
- *    as published by MongoDB, Inc.
- *
- *    This program is distributed in the hope that it will be useful,
- *    but WITHOUT ANY WARRANTY; without even the implied warranty of
- *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *    Server Side Public License for more details.
- *
- *    You should have received a copy of the Server Side Public License
- *    along with this program. If not, see
- *    <http://www.mongodb.com/licensing/server-side-public-license>.
- *
- *    As a special exception, the copyright holders give permission to link the
- *    code of portions of this program with the OpenSSL library under certain
- *    conditions as described in each individual source file and distribute
- *    linked combinations including the program with the OpenSSL library. You
- *    must comply with the Server Side Public License in all respects for
- *    all of the code used other than as permitted herein. If you modify file(s)
- *    with this exception, you may extend this exception to your version of the
- *    file(s), but you are not obligated to do so. If you do not wish to do so,
- *    delete this exception statement from your version. If you delete this
- *    exception statement from all source files in the program, then also delete
- *    it in the license file.
- */
-
-#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kControl
-
-#include <elf.h>
-#include <link.h>
-#include <sys/mman.h>
-#include <vector>
-
-#include "mongo/db/initialize_server_global_state.h"
-#include "mongo/db/initialize_server_global_state_gen.h"
-#include "mongo/logv2/log.h"
-#include "mongo/util/hex.h"
-#include "mongo/util/pin_code_segments_params_gen.h"
-
-namespace mongo {
-namespace {
-
-using ElfWEhdr = ElfW(Ehdr);
-using ElfWHalf = ElfW(Half);
-using ElfWPhdr = ElfW(Phdr);
-
-struct CodeSegment {
-    void* addr;
-    size_t memSize;
-};
-
-int appendCodeSegments(dl_phdr_info* info, size_t size, void* data) {
-    auto segments = reinterpret_cast<std::vector<CodeSegment>*>(data);
-    for (ElfWHalf i = 0; i < info->dlpi_phnum; ++i) {
-        const ElfWPhdr& phdr(info->dlpi_phdr[i]);
-        if (phdr.p_type != PT_LOAD) {
-            // Code segments must be of LOAD type.
-            continue;
-        }
-        const auto f = phdr.p_flags;
-        if (!(f & PF_R)) {
-            // Code segments have read permissions so exclude segments that do not.
-            continue;
-        }
-        if (!(f & PF_X)) {
-            // Code segments have execute permissions so exclude segments that do not.
-            continue;
-        }
-        if (f & PF_W) {
-            // Code segments don't have write permissions so exclude segments that do.
-            continue;
-        }
-        segments->push_back(
-            {reinterpret_cast<void*>(info->dlpi_addr + phdr.p_vaddr), phdr.p_memsz});
-    }
-    return 0;
-}
-
-std::vector<CodeSegment> getCodeSegments() {
-    std::vector<CodeSegment> segments;
-    dl_iterate_phdr(appendCodeSegments, &segments);
-    return segments;
-}
-
-MONGO_INITIALIZER(PinCodeSegments)(InitializerContext*) {
-    if (!gLockCodeSegmentsInMemory) {
-        return;
-    }
-    LOGV2(7394303, "Pinning code segments");
-    size_t lockedMemSize = 0;
-    auto codeSegments = getCodeSegments();
-    for (auto&& segment : codeSegments) {
-        if (mlock(segment.addr, segment.memSize) != 0) {
-            auto ec = lastSystemError();
-            LOGV2_FATAL(
-                7394301,
-                "Failed to lock code segment, ensure system ulimits are properly configured",
-                "error"_attr = errorMessage(ec),
-                "address"_attr = unsignedHex(reinterpret_cast<uintptr_t>(segment.addr)),
-                "memSize"_attr = segment.memSize,
-                "memLockedSoFar"_attr = lockedMemSize);
-        }
-        lockedMemSize += segment.memSize;
-    }
-    LOGV2(7394302,
-          "Successfully locked code segments into memory",
-          "numSegments"_attr = codeSegments.size(),
-          "totalLockedMemSize"_attr = lockedMemSize);
-}
-
-}  // namespace
-}  // namespace mongo