ROUND_TO_PAGES macro (wdm.h)

The ROUND_TO_PAGES macro takes a size in bytes and rounds it up to the next full page.

Syntax

void ROUND_TO_PAGES(
  [in]  Size
);

Parameters

[in] Size

Specifies the size in bytes to round up to a page multiple.

Return value

None

Remarks

ROUND_TO_PAGES returns a ULONG_PTR with the input size rounded up to a multiple of the virtual memory page size for the current platform.

Callers of ROUND_TO_PAGES can be running at any IRQL. The caller must ensure that the supplied parameter cannot cause memory overflow.

Requirements