Hi Nikolay, can you give the patch below a spin? While it doesn't solve the root cause it makes many typical uses of kmem_realloc behave less badly, so it should help with at least some of the less dramatic cases of very fragmented files:
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| To: | Nikolay Borisov <kernel@xxxxxxxx> |
|---|---|
| Subject: | Re: Failing XFS memory allocation |
| From: | Christoph Hellwig <hch@xxxxxxxxxxxxx> |
| Date: | Thu, 24 Mar 2016 02:33:45 -0700 |
| Cc: | Dave Chinner <david@xxxxxxxxxxxxx>, xfs@xxxxxxxxxxx |
| Delivered-to: | xfs@xxxxxxxxxxx |
| In-reply-to: | <56F26CCE.6010502@xxxxxxxx> |
| References: | <56F26CCE.6010502@xxxxxxxx> |
| User-agent: | Mutt/1.5.24 (2015-08-30) |
Hi Nikolay, can you give the patch below a spin? While it doesn't solve the root cause it makes many typical uses of kmem_realloc behave less badly, so it should help with at least some of the less dramatic cases of very fragmented files:
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