Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads
From: Herbert Xu
Date: Tue Sep 01 2015 - 10:03:55 EST
On Tue, Sep 01, 2015 at 03:56:18PM +0200, Phil Sutter wrote:
> Looking at rhashtable_test.c, I see the initial table size is 8 entries.
> 70% of that is 5.6 entries, so background expansion is started after the
> 6th entry has been added, right? Given there are 10 threads running
> which try to insert 50k entries at the same time, I don't think it's
> unlikely that three more entries are inserted before the background
> expansion completes.
Yes but in that case the GFP_ATOMIC allocation should work because
the table is so small anyway.
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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