KernVMLock

Synopsis

APIRET APIENTRY KernVMLock(ULONG flags,PVOID linaddr,ULONG size, KEEVMLOCK* lock, KEEVMPageList* pglist, PULONG pgsize);

Description

This is the equivalent of the DevHlp_VMLock function. See the PDD docs for details.

Parameters

flags

   One or more of the following bits:

   KEE_VML_NOTBLOCK
       Don't block the call, if the pages can't be locked. 
   KEE_VML_CONTIG
       Pages locked must be contiguous. 
   KEE_VML_16M
       Pages must be below 16MB. 
   KEE_VML_WRITEABLE
       Pages will be writeable. 
   KEE_VML_LONGLOCK
       The lock is for long time. 
   KEE_VML_VERIFYONLY
       Verify the accessibility of the region. If KEE_VML_WRITEABLE is set, check for R/W access, else R/O. 

linaddr

   linear address of the memory region. 

size

   Size of the memory region. 

lock

   Pointer to a lock data structure that contains the lock information. 

pglist

   Pointer to a pagelist structure, provided by the user 

pgsize

   Pointer to an ULONG where the size of the pagelist structure is returned.