search dll memory, C++ (vc++)

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//Microsoft (R) C/C++ Optimizing Compiler Version 19.00.23506 for x86

#include <iostream>
#include <vector>
#include <string>
#include <iomanip>
#include <windows.h>
#include <psapi.h>

std::vector< const void* > scan_memory( void* address_low, std::size_t nbytes, DWORD data_to_find )
{
    std::vector< const void* > addresses_found ;

::MEMORY_BASIC_INFORMATION mbi {};
    constexpr DWORD pmask = PAGE_READONLY | PAGE_READWRITE | PAGE_WRITECOPY | PAGE_EXECUTE |
                            PAGE_EXECUTE_READ | PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_WRITECOPY ;
    
    char* address = static_cast<char*>(address_low) ;
    char* address_high = address + nbytes ;

while( address < address_high && ::VirtualQuery( address, std::addressof( mbi ), sizeof( mbi ) ) )
    {
        if( mbi.State == MEM_COMMIT && mbi.Protect | pmask )
        {
            DWORD* p = static_cast< DWORD* >( mbi.BaseAddress ) ; // search in aligned addresses
            for( std::size_t i = 0 ; i < mbi.RegionSize / sizeof( DWORD ) ; ++i )
                if( p[i] == data_to_find ) addresses_found.push_back( p + i ) ;
        }

address += mbi.RegionSize ;
        mbi = {} ;
    }

return addresses_found ;
}

std::vector< const void* > scan_memory( std::string module_name, DWORD data_to_find ) 
{
    auto base = ::GetModuleHandleA( module_name.c_str() ) ;
    if( base == nullptr ) return {} ;

MODULEINFO minfo {} ;
    ::GetModuleInformation( GetCurrentProcess(), base, std::addressof( minfo ), sizeof( minfo ) ) ;
    return scan_memory( base, minfo.SizeOfImage, data_to_find ) ;
}

int main()
{
    const std::string dll_name = "kernel32.dll" ;
    const DWORD what = 0x000000ff ;
    const auto vec = scan_memory( dll_name, what ) ;

if( !vec.empty() )
    {
        std::cout << "DWORD 0x" << std::hex << std::setw(8) << std::setfill('0') << what 
                  << " was found in dll " << std::quoted(dll_name) 
                  << " in " << std::dec << vec.size() << " (DWORD aligned) locations:\n" ;

int cnt = 0 ;
        for( const void* pv : vec ) std::cout << pv << ( cnt++%8 == 7 ? '\n' : ' ' ) ;
        std::cout << '\n' ;
    }
}

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Compilation time: 2,86 sec, absolute running time: 0,32 sec, absolute service time: 3,19 sec