Re: [patch][rfc] radix-tree: be a nice citizen

On Wed, Aug 29, 2007 at 01:57:02AM -0700, Andrew Morton wrote:

On Wed, 29 Aug 2007 10:50:39 +0200 Nick Piggin [off-list ref] wrote:

quoted

ISTR that last time I sent you a patch to do the same thing, you
had some objections. I can't remember what they were though, but
I guess you didn't end up merging it.

So you can't remember what the problem was, and I have to work iyut
out again.  Is this efficient?

No, but better than leaving it unfixed. It was years ago. I did try
to find it.

 

quoted

I was reminded by the problem after seeing an atomic allocation
failure trace from pagecache radix tree inesrtion.

wot?  radix-tree node allocation for pagecache insertion doesn't fail.

The atomic allocation that's part of node allocation can.

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