NtFlushVirtualMemory

2OO4, 28 January

NTSYSAPI 
NTSTATUS
NTAPI


NtFlushVirtualMemory(



  IN HANDLE               ProcessHandle,
  IN OUT PVOID            *BaseAddress,
  IN OUT PULONG           NumberOfBytesToFlush,
  OUT PIO_STATUS_BLOCK    IoStatusBlock );

NtFlushVirtualMemory flushes mapped section view to file.

ProcessHandle HANDLE of process containing mapped view of section to flush.

*BaseAddress Pointer to PVOID value containing address of memory area to flush. On output this value is rounded to Page Size (0x1000).

NumberOfBytesToFlush Pointer to ULONG value specifing length of area to flush. On output this value is rounded up to Page Size (0x1000).

IoStatusBlock Pointer to IO_STATUS_BLOCK structure. After call Information member contains the same value as NumberOfBytesToFlush parameter.

WARNING: Two (or more) memory pages mapped in different calls of NtMapViewOfSection cannot be flushed in one function call, even if both has the same SECTION as a source.

Documented by:: Tomasz Nowak

Requirements:

Library: ntdll.lib

Undocumented functions of NTDLL