Re: [PATCH 10 of 20] ipath - support for userspace apps using core driver

On Wed, 15 Mar 2006, Bryan O'Sullivan wrote:
> 
> This is what it looks like when I always call get_page in my nopage
> handler (after checking that the pfn is valid and pfn_to_page hasn't
> given me junk).
> 
> Bad page state at free_hot_cold_page (in process 'mpi_hello', page ffff810002098af8)
> flags:0x0100000000000404 mapping:0000000000000000 mapcount:0 count:0 (Not tainted)
> Backtrace:

You shouldn't use PG_reserved on regular pages that you do page counting 
on.

			Linus
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---

• References:
  • Re: [PATCH 10 of 20] ipath - support for userspace apps using core driver
    • From: Roland Dreier <[email protected]>
  • Re: [PATCH 10 of 20] ipath - support for userspace apps using core driver
    • From: "Bryan O'Sullivan" <[email protected]>
  • Re: [PATCH 10 of 20] ipath - support for userspace apps using core driver
    • From: Roland Dreier <[email protected]>
  • Re: [PATCH 10 of 20] ipath - support for userspace apps using core driver
    • From: "Bryan O'Sullivan" <[email protected]>
  • Re: [PATCH 10 of 20] ipath - support for userspace apps using core driver
    • From: Andrew Morton <[email protected]>
  • Re: [PATCH 10 of 20] ipath - support for userspace apps using core driver
    • From: "Bryan O'Sullivan" <[email protected]>
  • Re: [PATCH 10 of 20] ipath - support for userspace apps using core driver
    • From: Roland Dreier <[email protected]>
  • Re: [PATCH 10 of 20] ipath - support for userspace apps using core driver
    • From: "Bryan O'Sullivan" <[email protected]>
  • Re: [PATCH 10 of 20] ipath - support for userspace apps using core driver
    • From: Roland Dreier <[email protected]>
  • Re: [PATCH 10 of 20] ipath - support for userspace apps using core driver
    • From: "Bryan O'Sullivan" <[email protected]>

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