Re: [PATCH 0/2][RFC] VFCIPI v3

On Tue, 2007-07-31 at 12:14 -0400, Gregory Haskins wrote:

> Out of curiosity and for my own edification:  What *is* GFP_ATOMIC meant for?

It is meant as you used it, _except_ for !PREEMPT_RT.

With PREEMPT_RT all allocators are fully preemptable, that is both the
slab as well as the underlying page allocator.

Allocation from atomic context is a BUG() with -rt.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• Follow-Ups:
  • Re: [PATCH 0/2][RFC] VFCIPI v3
    • From: "Gregory Haskins" <[email protected]>

• References:
  • [PATCH 0/2][RFC] VFCIPI v3
    • From: Gregory Haskins <[email protected]>
  • Re: [PATCH 0/2][RFC] VFCIPI v3
    • From: Peter Zijlstra <[email protected]>
  • Re: [PATCH 0/2][RFC] VFCIPI v3
    • From: "Gregory Haskins" <[email protected]>
  • Re: [PATCH 0/2][RFC] VFCIPI v3
    • From: Peter Zijlstra <[email protected]>
  • Re: [PATCH 0/2][RFC] VFCIPI v3
    • From: "Gregory Haskins" <[email protected]>

• Prev by Date: [PATCH -mm] Introduce strtol_check_range()
• Next by Date: Re: [ck] Re: SD still better than CFS for 3d ?(was Re: 2.6.23-rc1)
• Previous by thread: Re: [PATCH 0/2][RFC] VFCIPI v3
• Next by thread: Re: [PATCH 0/2][RFC] VFCIPI v3
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]