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From: Rusty Russell <rusty@rustcorp.com.au>
To: Lucas Tanure <tanure@linux.com>
Cc: Dave Hansen <dave@sr71.net>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] NoMoreModuleVmalloc - Try alloc_pages_exact before vmalloc, if fails do vmalloc
Date: Tue, 15 Jul 2014 21:04:17 +0930	[thread overview]
Message-ID: <874myi5006.fsf@rustcorp.com.au> (raw)
In-Reply-To: <CAJyon0sTcZNpWZaBmiUBv99T4=BRTfEV+sJukc4deGMN1ZPFyw@mail.gmail.com>

Lucas Tanure <tanure@linux.com> writes:
> Hi Russell,
>
> I found that project
> http://kernelnewbies.org/KernelProjects/NoMoreModuleVmalloc.
> So I thought that doing first a alloc_pages_exact would be the goal.
> The kernel/module.c doesn't need this task any more, or I just did in
> the wrong way ?

Hmm, that's hardly a newbie project!

arch/x86/kernel/module.c contains the module_alloc() code for x86.
You'd need to repalce that, and set module_free() too.

And it's not entirely clear that replacing it with kmalloc is actually
useful, since it will break CONFIG_DEBUG_SET_MODULE_RONX=y.

Cheers,
Rusty.

      reply	other threads:[~2014-07-17  4:55 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-13 13:04 [PATCH] NoMoreModuleVmalloc - Try alloc_pages_exact before vmalloc, if fails do vmalloc Lucas Tanure
2014-07-14 10:18 ` Rusty Russell
2014-07-14 11:57   ` Lucas Tanure
2014-07-15 11:34     ` Rusty Russell [this message]

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