diff options
| -rw-r--r-- | apt-pkg/contrib/mmap.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/apt-pkg/contrib/mmap.cc b/apt-pkg/contrib/mmap.cc index d85a7f169..10786f23f 100644 --- a/apt-pkg/contrib/mmap.cc +++ b/apt-pkg/contrib/mmap.cc @@ -200,7 +200,8 @@ bool MMap::Sync(unsigned long Start,unsigned long Stop) { #ifdef _POSIX_SYNCHRONIZED_IO unsigned long long const PSize = sysconf(_SC_PAGESIZE); - if (msync((char *)Base+(Start/PSize)*PSize, Stop - Start, MS_SYNC) < 0) + Start = (Start/PSize)*PSize; + if (msync((char *)Base+Start, Stop - Start, MS_SYNC) < 0) return _error->Errno("msync", _("Unable to synchronize mmap")); #endif } |