Dear all:

In my case, i need a 64k boundary physical memory for DMA transfer.
But AllocateCommonBuffer dont have a parameter to specify the boundary.

How to achieve this requirement?
(Use MmAllocateContiguousMemorySpecifyCache?)


--
Sincerely Yours,

Re: Allocate Continuous memory with specific boundary for DMA by Maxim

Maxim
Fri Jul 04 03:34:08 CDT 2008

Allocate 128KB and then align yourself.

--
Maxim Shatskih, Windows DDK MVP
StorageCraft Corporation
maxim@storagecraft.com
http://www.storagecraft.com

"Kai Lidda" <KaiLidda@discussions.microsoft.com> wrote in message
news:97A925B1-7D8A-42B7-B37D-A031ECE64557@microsoft.com...
> Dear all:
>
> In my case, i need a 64k boundary physical memory for DMA transfer.
> But AllocateCommonBuffer dont have a parameter to specify the boundary.
>
> How to achieve this requirement?
> (Use MmAllocateContiguousMemorySpecifyCache?)
>
>
> --
> Sincerely Yours,
>
>