SERVER-53279 remove ProcessInfo::pagesInMemory()

8 files changed, 0 insertions, 107 deletions

diff --git a/src/mongo/util/processinfo.h b/src/mongo/util/processinfo.h
index 63f1515050d..12750da0f15 100644
--- a/src/mongo/util/processinfo.h
+++ b/src/mongo/util/processinfo.h
@@ -176,16 +176,6 @@ public:
                                              ~(getPageSize() - 1));
     }
 
-    /**
-     * Sets i-th element of 'out' to non-zero if the i-th page starting from the one containing
-     * 'start' is in memory.
-     * The 'out' vector will be resized to fit the requested number of pages.
-     * @return true on success, false otherwise
-     *
-     * NOTE: requires blockCheckSupported() == true
-     */
-    static bool pagesInMemory(const void* start, size_t numPages, std::vector<char>* out);
-
     static const std::string& getProcessName() {
         return appInfo().getProcessName();
     }
diff --git a/src/mongo/util/processinfo_freebsd.cpp b/src/mongo/util/processinfo_freebsd.cpp
index f47e13e2b92..3509fdd21f5 100644
--- a/src/mongo/util/processinfo_freebsd.cpp
+++ b/src/mongo/util/processinfo_freebsd.cpp
@@ -188,21 +188,6 @@ bool ProcessInfo::blockInMemory(const void* start) {
     return x & 0x1;
 }
 
-bool ProcessInfo::pagesInMemory(const void* start, size_t numPages, std::vector<char>* out) {
-    out->resize(numPages);
-    // int mincore(const void *addr, size_t len, char *vec);
-    if (mincore(alignToStartOfPage(start), numPages * getPageSize(), &(out->front()))) {
-        LOGV2(23337,
-              "mincore failed: {errnoWithDescription}",
-              "errnoWithDescription"_attr = errnoWithDescription());
-        return false;
-    }
-    for (size_t i = 0; i < numPages; ++i) {
-        (*out)[i] = 0x1;
-    }
-    return true;
-}
-
 // get the number of CPUs available to the scheduler
 boost::optional<unsigned long> ProcessInfo::getNumCoresForProcess() {
     long nprocs = sysconf(_SC_NPROCESSORS_ONLN);
diff --git a/src/mongo/util/processinfo_linux.cpp b/src/mongo/util/processinfo_linux.cpp
index 3e764d7a21e..2ddd4c86da8 100644
--- a/src/mongo/util/processinfo_linux.cpp
+++ b/src/mongo/util/processinfo_linux.cpp
@@ -752,18 +752,4 @@ bool ProcessInfo::blockInMemory(const void* start) {
     return x & 0x1;
 }
 
-bool ProcessInfo::pagesInMemory(const void* start, size_t numPages, std::vector<char>* out) {
-    out->resize(numPages);
-    if (mincore(const_cast<void*>(alignToStartOfPage(start)),
-                numPages * getPageSize(),
-                reinterpret_cast<unsigned char*>(&out->front()))) {
-        auto e = errno;
-        LOGV2(23342, "mincore failed", "error"_attr = errnoWithDescription(e));
-        return false;
-    }
-    for (size_t i = 0; i < numPages; ++i) {
-        (*out)[i] &= 0x1;
-    }
-    return true;
-}
 }  // namespace mongo
diff --git a/src/mongo/util/processinfo_openbsd.cpp b/src/mongo/util/processinfo_openbsd.cpp
index 260acc84a20..ba2c795ee1c 100644
--- a/src/mongo/util/processinfo_openbsd.cpp
+++ b/src/mongo/util/processinfo_openbsd.cpp
@@ -205,21 +205,6 @@ bool ProcessInfo::blockInMemory(const void* start) {
     return x & 0x1;
 }
 
-bool ProcessInfo::pagesInMemory(const void* start, size_t numPages, std::vector<char>* out) {
-    out->resize(numPages);
-    // int mincore(const void *addr, size_t len, char *vec);
-    if (mincore((void*)alignToStartOfPage(start), numPages * getPageSize(), &(out->front()))) {
-        LOGV2(23350,
-              "mincore failed: {errnoWithDescription}",
-              "errnoWithDescription"_attr = errnoWithDescription());
-        return false;
-    }
-    for (size_t i = 0; i < numPages; ++i) {
-        (*out)[i] = 0x1;
-    }
-    return true;
-}
-
 // get the number of CPUs available to the scheduler
 boost::optional<unsigned long> ProcessInfo::getNumCoresForProcess() {
     long nprocs = sysconf(_SC_NPROCESSORS_ONLN);
diff --git a/src/mongo/util/processinfo_osx.cpp b/src/mongo/util/processinfo_osx.cpp
index 4de98f203ca..50d8931fc0f 100644
--- a/src/mongo/util/processinfo_osx.cpp
+++ b/src/mongo/util/processinfo_osx.cpp
@@ -231,17 +231,4 @@ bool ProcessInfo::blockInMemory(const void* start) {
     return x & 0x1;
 }
 
-bool ProcessInfo::pagesInMemory(const void* start, size_t numPages, std::vector<char>* out) {
-    out->resize(numPages);
-    if (mincore(alignToStartOfPage(start), numPages * getPageSize(), &out->front())) {
-        LOGV2(23355,
-              "mincore failed: {errnoWithDescription}",
-              "errnoWithDescription"_attr = errnoWithDescription());
-        return false;
-    }
-    for (size_t i = 0; i < numPages; ++i) {
-        (*out)[i] &= 0x1;
-    }
-    return true;
-}
 }  // namespace mongo
diff --git a/src/mongo/util/processinfo_solaris.cpp b/src/mongo/util/processinfo_solaris.cpp
index 61e509a1089..f267b934c68 100644
--- a/src/mongo/util/processinfo_solaris.cpp
+++ b/src/mongo/util/processinfo_solaris.cpp
@@ -239,19 +239,4 @@ bool ProcessInfo::blockInMemory(const void* start) {
     return x & 0x1;
 }
 
-bool ProcessInfo::pagesInMemory(const void* start, size_t numPages, std::vector<char>* out) {
-    out->resize(numPages);
-    if (mincore(static_cast<char*>(const_cast<void*>(alignToStartOfPage(start))),
-                numPages * getPageSize(),
-                &out->front())) {
-        LOGV2(23359,
-              "mincore failed: {errnoWithDescription}",
-              "errnoWithDescription"_attr = errnoWithDescription());
-        return false;
-    }
-    for (size_t i = 0; i < numPages; ++i) {
-        (*out)[i] &= 0x1;
-    }
-    return true;
-}
 }  // namespace mongo
diff --git a/src/mongo/util/processinfo_unknown.cpp b/src/mongo/util/processinfo_unknown.cpp
index b77e79d8fae..0d25d1d09ec 100644
--- a/src/mongo/util/processinfo_unknown.cpp
+++ b/src/mongo/util/processinfo_unknown.cpp
@@ -67,10 +67,6 @@ bool ProcessInfo::blockInMemory(const void* start) {
     verify(0);
 }
 
-bool ProcessInfo::pagesInMemory(const void* start, size_t numPages, std::vector<char>* out) {
-    verify(0);
-}
-
 boost::optional<unsigned long> ProcessInfo::getNumCoresForProcess() {
     return boost::none;
 }
diff --git a/src/mongo/util/processinfo_windows.cpp b/src/mongo/util/processinfo_windows.cpp
index 61c72aceca9..9fd82921e27 100644
--- a/src/mongo/util/processinfo_windows.cpp
+++ b/src/mongo/util/processinfo_windows.cpp
@@ -370,25 +370,4 @@ bool ProcessInfo::blockInMemory(const void* start) {
     return false;
 }
 
-bool ProcessInfo::pagesInMemory(const void* start, size_t numPages, std::vector<char>* out) {
-    out->resize(numPages);
-    std::unique_ptr<PSAPI_WORKING_SET_EX_INFORMATION[]> wsinfo(
-        new PSAPI_WORKING_SET_EX_INFORMATION[numPages]);
-
-    const void* startOfFirstPage = alignToStartOfPage(start);
-    for (size_t i = 0; i < numPages; i++) {
-        wsinfo[i].VirtualAddress = reinterpret_cast<void*>(
-            reinterpret_cast<unsigned long long>(startOfFirstPage) + i * getPageSize());
-    }
-
-    BOOL result = QueryWorkingSetEx(
-        GetCurrentProcess(), wsinfo.get(), sizeof(PSAPI_WORKING_SET_EX_INFORMATION) * numPages);
-
-    if (!result)
-        return false;
-    for (size_t i = 0; i < numPages; ++i) {
-        (*out)[i] = wsinfo[i].VirtualAttributes.Valid ? 1 : 0;
-    }
-    return true;
-}
 }  // namespace mongo