KernVMLock

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

Synopsis

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

Parameters

flags (ULONG) - input

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 (PVOID) - input

linear address of the memory region.

size (ULONG) - input

Size of the memory region.

lock (KEEVMLOCK*) - input

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

pglist (KEEVMPageList*) - input

Pointer to a pagelist structure, provided by the user

pgsize (PULONG) - input

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