Re: Mapping physical memory into Application space

You can't allocate a memory in a driver and return it to the application -
it's a massive security hole if you could. Instead the application allocates
the memory and then passes the pointer to the driver.


--
Steve Maillet
EmbeddedFusion
www.EmbeddedFusion.com
smaillet at EmbeddedFusion dot com


.

Relevant Pages

  • Re: non-paged memory inside a kernel driver
    ... Windows 2k/XP/2k3 Filesystem and Driver Consulting ... With their stuff running I cannot allocate 10 MB 's on a XP system. ... so I need 100MB of non-paged memory inside my driver. ...
    (microsoft.public.development.device.drivers)
  • Re: Memory fragmentation issue in kernel mode
    ... Also, on the Performance tab, watch the Kernel Memory section. ... fragmentation, which is actually fragmentation of the system virtual ... A user level application doesn't allocate and even access the ... I have my driver that uses direct IO to perform data transfer ...
    (microsoft.public.development.device.drivers)
  • Re: non-paged memory inside a kernel driver
    ... I've seen kernel memory leaks up to full memory exaustion when Symantec AV ... Windows 2k/XP/2k3 Filesystem and Driver Consulting ... With their stuff running I cannot allocate 10 MB 's on a XP system. ...
    (microsoft.public.development.device.drivers)
  • Re: Memory allocation in windows kernel driver
    ... in an allocated zone of memory. ... I have to allocate a space of about 255 kBytes. ... I would strongly recomend you take a class on driver development. ... It is possible to create a pointer to an array of pointers to memorize ...
    (microsoft.public.development.device.drivers)
  • Re: non-paged memory inside a kernel driver
    ... With their stuff running I cannot allocate 10 MB 's on a XP system. ... disk and one flash. ... so I need 100MB of non-paged memory inside my driver. ...
    (microsoft.public.development.device.drivers)