Re: [PATCH] Re: bad pmd ffff810000207238(9090909090909090).

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To: Hugh Dickins <hugh@...>

Cc: Fede <fedux@...>, Linus Torvalds <torvalds@...>, Andrew Morton <akpm@...>, OGAWA Hirofumi <hirofumi@...>, Jan Engelhardt <jengelh@...>, Willy Tarreau <w@...>, Arjan van de Ven <arjan@...>, <linux-kernel@...>, <linux-mm@...>

Subject: Re: [PATCH] Re: bad pmd ffff810000207238(9090909090909090).

Date: Wednesday, May 28, 2008 - 2:40 pm

* Hugh Dickins <hugh@veritas.com> wrote:

quoted text> [PATCH] x86: fix bad pmd ffff810000207xxx(9090909090909090)
> 
> OGAWA Hirofumi and Fede have reported rare pmd_ERROR messages: 
> mm/memory.c:127: bad pmd ffff810000207xxx(9090909090909090).
> 
> Initialization's cleanup_highmap was leaving alignment filler behind 
> in the pmd for MODULES_VADDR: when vmalloc's guard page would occupy a 
> new page table, it's not allocated, and then module unload's vfree 
> hits the bad 9090 pmd entry left over.

applied, nice catch!

	Ingo
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Messages in current thread:

bad pmd ffff810000207238(9090909090909090)., Fede, (Tue May 27, 10:01 pm)

[PATCH] Re: bad pmd ffff810000207238(9090909090909090)., Hugh Dickins, (Wed May 28, 2:36 pm)

Re: [PATCH] Re: bad pmd ffff810000207238(9090909090909090)., Willy Tarreau, (Wed May 28, 3:56 pm)

Re: [PATCH] Re: bad pmd ffff810000207238(9090909090909090)., Jan Engelhardt, (Wed May 28, 4:14 pm)

Re: [PATCH] Re: bad pmd ffff810000207238(9090909090909090)., Willy Tarreau, (Wed May 28, 4:43 pm)

Re: [PATCH] Re: bad pmd ffff810000207238(9090909090909090)., Hugh Dickins, (Wed May 28, 6:20 pm)

Re: [PATCH] Re: bad pmd ffff810000207238(9090909090909090)., Jan Engelhardt, (Wed May 28, 5:24 pm)

Re: [PATCH] Re: bad pmd ffff810000207238(9090909090909090)., Ingo Molnar, (Wed May 28, 2:40 pm)

Re: bad pmd ffff810000207238(9090909090909090)., Arjan van de Ven, (Wed May 28, 12:09 am)


linux-kernel:
Heiko Carstens	Re: -mm merge plans for 2.6.23 -- sys_fallocate
Linus Torvalds	Linux 2.6.21-rc4
Michael Kerrisk	nanosleep() uses CLOCK_MONOTONIC, should be CLOCK_REALTIME?
Linus Torvalds	Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3
git:

linux-netdev:
Gary Thomas	Marvell 88E609x switch?
Gerrit Renker	[PATCH 15/37] dccp: Set per-connection CCIDs via socket options
David Miller	[GIT]: Networking
David Miller	Re: [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
openbsd-misc:

Re: [PATCH] Re: bad pmd ffff810000207238(9090909090909090).

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