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Re: [PATCH] Re: [dm-devel] kmalloc after down_write?
- From: Alasdair G Kergon <agk redhat com>
- To: device-mapper development <dm-devel redhat com>
- Cc: mingz ele uri edu
- Subject: Re: [PATCH] Re: [dm-devel] kmalloc after down_write?
- Date: Fri, 19 Nov 2004 20:27:46 +0000
On Fri, Nov 19, 2004 at 02:16:52PM -0600, Kevin Corry wrote:
> In register_snapshot(), move the kmalloc() outside the _origins_lock.
Maybe - but snapshots and memory allocations don't mix particularly well,
and these are complex trade-offs, so for now I'd rather leave this code
as it is (i.e. not introduce new allocations), until there's strong
evidence one way or the other e.g. from testing or more detailed code
analysis.
Alasdair
--
agk redhat com
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