linux-kernel - Re: [HPDD-discuss] [PATCH] staging: lustre: llite: Use kzalloc and rewrite null tests

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Message-ID: <517B3353-BD3C-4326-A8F4-F1775B4865E5@intel.com>
Date:	Fri, 19 Sep 2014 03:04:08 +0000
From:	"Drokin, Oleg" <oleg.drokin@...el.com>
To:	Dan Carpenter <dan.carpenter@...cle.com>
CC:	"<devel@...verdev.osuosl.org>" <devel@...verdev.osuosl.org>,
	"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
	"<kernel-janitors@...r.kernel.org>" <kernel-janitors@...r.kernel.org>,
	"<linux-kernel@...r.kernel.org>" <linux-kernel@...r.kernel.org>,
	Julia Lawall <Julia.Lawall@...6.fr>,
	"<HPDD-discuss@...1.01.org>" <HPDD-discuss@...1.01.org>
Subject: Re: [HPDD-discuss] [PATCH] staging: lustre: llite: Use kzalloc and
 rewrite null tests


On Sep 18, 2014, at 10:57 PM, Drokin, Oleg wrote:

> would not be easy to do. Perhaps registered callbacks for pools that could be called on alloc and on free - though such pools would also need to allow to allocate different sized chunks too).

Come think of it - we don't even need callbacks here. If a pool would allow to allocate different sized chunks of memory. Then on module unmount there's already a warning for freeing
not yet empty pool, and we can even see all the leaked bits if we really want to (in like a crash dump).
So a module would just need to register such a general pool and use it for all allocations.

Bye,
    Oleg--
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