Messages in this thread | | | Subject | Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads | From | Eric Dumazet <> | Date | Tue, 01 Sep 2015 06:40:48 -0700 |
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On Tue, 2015-09-01 at 21:00 +0800, Herbert Xu wrote: > On Tue, Sep 01, 2015 at 02:46:48PM +0200, Phil Sutter wrote: > > > > This is not an inherent behaviour of the implementation but general > > agreement. The insertion may fail non-permanently (returning -EBUSY), > > users are expected to handle this by retrying the operation. > > Absolutely not. The only reason for an insertion to fail is if we > can't allocate enough memory. Unless the user is also looping its > kmalloc calls it definitely shouldn't be retrying the insert. > > If an expansion fails it means either that the system is suffering > a catastrophic memory shortage, or the user of rhashtable is doing > something wrong.
-EBUSY does not sound as a memory allocation error.
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