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Re: how not to write a search algorithm

To: Andrew Morton <akpm@zip.com.au>
Subject: Re: how not to write a search algorithm
From: William Lee Irwin III <wli@holomorphy.com>
Date: Mon, 5 Aug 2002 03:50:18 -0700
Cc: Rik van Riel <riel@conectiva.com.br>,"linux-mm@kvack.org" <linux-mm@kvack.org>
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On Mon, Aug 05, 2002 at 01:44:06AM -0700, Andrew Morton wrote:
> The nice thing is that it 99% leverages a per-cpu-pages mechanism.
> We'd have to make fill_up_the_per_cpu_buffer() loop for ever
> (but the page allocator does that anyway) or handle a failure
> from that.  Just loop, I'd say.  Provided the caller isn't holding any
> semaphores.

It should hold the mm->mmap_sem


Cheers,
Bill
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References:
- Re: how not to write a search algorithm
  - From: Rik van Riel <riel@conectiva.com.br>
- Re: how not to write a search algorithm
  - From: Andrew Morton <akpm@zip.com.au>
- Re: how not to write a search algorithm
  - From: William Lee Irwin III <wli@holomorphy.com>
- Re: how not to write a search algorithm
  - From: Andrew Morton <akpm@zip.com.au>
- Re: how not to write a search algorithm
  - From: William Lee Irwin III <wli@holomorphy.com>
- Re: how not to write a search algorithm
  - From: Andrew Morton <akpm@zip.com.au>
- Re: how not to write a search algorithm
  - From: William Lee Irwin III <wli@holomorphy.com>
- Re: how not to write a search algorithm
  - From: Andrew Morton <akpm@zip.com.au>
- Re: how not to write a search algorithm
  - From: William Lee Irwin III <wli@holomorphy.com>
- Re: how not to write a search algorithm
  - From: Andrew Morton <akpm@zip.com.au>

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