linux-kernel - Re: [PATCH] memblock: Add limit checking to memblock_virt

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Message-ID: <CAE9FiQWfZk7ogmORm7euBy1bncUhFW0Ms2hV_g8_9uBVU71RRQ@mail.gmail.com>
Date:	Wed, 29 Jan 2014 15:39:41 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Tony Luck <tony.luck@...il.com>
Cc:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	xen-devel@...ts.xenproject.org,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	David Vrabel <david.vrabel@...rix.com>,
	Dave Hansen <dave.hansen@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Kevin Hilman <khilman@...aro.org>,
	Olof Johansson <olof@...om.net>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] memblock: Add limit checking to memblock_virt_alloc

On Wed, Jan 29, 2014 at 3:07 PM, Tony Luck <tony.luck@...il.com> wrote:
> Hmmph.  ia64 is broken too.  git bisect says:
>
> commit ad6492b80f60a2139fa9bf8fd79b182fe5e3647c
> Author: Yinghai Lu <yinghai@...nel.org>
> Date:   Mon Jan 27 17:06:49 2014 -0800
>
>     memblock, nobootmem: add memblock_virt_alloc_low()
>
> is to blame.  But this patch doesn't fix it.  Still dies with:
>
> PID hash table entries: 4096 (order: -1, 32768 bytes)
> Sorting __ex_table...
> kernel BUG at mm/bootmem.c:504!

that's another path with memblock_virt wrapper for bootmem.

Let's me check that.
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