Re: [patch 4/6] mm: merge populate and nopage into fault (fixes nonlinear) | KernelTrap

Re: [patch 4/6] mm: merge populate and nopage into fault (fixes nonlinear)

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From: Nick Piggin <npiggin@...>

To: Benjamin Herrenschmidt <benh@...>

Cc: Andrew Morton <akpm@...>, Linux Memory Management <linux-mm@...>, Linux Kernel <linux-kernel@...>, Ingo Molnar <mingo@...>

Subject: Re: [patch 4/6] mm: merge populate and nopage into fault (fixes nonlinear)

Date: Wednesday, March 7, 2007 - 6:17 am

On Wed, Mar 07, 2007 at 11:05:48AM +0100, Benjamin Herrenschmidt wrote:
quoted text> 
> > > NOPAGE_REFAULT is removed. This should be implemented with ->fault, and
> > > no users have hit mainline yet.
> > 
> > Did benh agree with that?
> 
> I won't use NOPAGE_REFAULT, I use NOPFN_REFAULT and that has hit
> mainline. I will switch to ->fault when I have time to adapt the code,
> in the meantime, NOPFN_REFAULT should stay.

I think I removed not only NOFPN_REFAULT, but also nopfn itself, *and*
adapted the code for you ;) it is in patch 5/6, sent a while ago. 

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Messages in current thread:

[patch 0/6] fault vs truncate/invalidate race fix, Nick Piggin, (Wed Feb 21, 12:49 am)

Re: [patch 0/6] fault vs truncate/invalidate race fix, Dave Airlie, (Tue Feb 27, 12:36 am)

Re: [patch 0/6] fault vs truncate/invalidate race fix, Andrew Morton, (Tue Feb 27, 1:32 am)

Re: [patch 0/6] fault vs truncate/invalidate race fix, Nick Piggin, (Tue Feb 27, 4:50 am)

Re: [patch 0/6] fault vs truncate/invalidate race fix, Dave Airlie, (Tue Feb 27, 2:26 am)

Re: [patch 0/6] fault vs truncate/invalidate race fix, Benjamin Herrenschmidt, (Tue Feb 27, 2:54 am)

Re: [patch 0/6] fault vs truncate/invalidate race fix, Dave Airlie, (Sun Mar 18, 7:13 pm)

[patch 4/6] mm: merge populate and nopage into fault (fixes ..., Nick Piggin, (Wed Feb 21, 12:50 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Andrew Morton, (Wed Mar 7, 2:51 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Benjamin Herrenschmidt, (Wed Mar 7, 6:05 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 6:17 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Benjamin Herrenschmidt, (Wed Mar 7, 6:46 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Bill Irwin, (Wed Mar 7, 3:19 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 3:08 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 4:19 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Ingo Molnar, (Wed Mar 7, 4:27 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 4:59 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Ingo Molnar, (Wed Mar 7, 5:22 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 5:52 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Bill Irwin, (Wed Mar 7, 5:32 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Ingo Molnar, (Wed Mar 7, 5:35 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Bill Irwin, (Wed Mar 7, 5:50 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 5:11 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Miklos Szeredi, (Wed Mar 7, 4:38 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Andrew Morton, (Wed Mar 7, 4:47 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Miklos Szeredi, (Wed Mar 7, 4:51 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Andrew Morton, (Wed Mar 7, 5:07 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Peter Zijlstra, (Wed Mar 7, 5:32 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 5:45 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 6:04 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Peter Zijlstra, (Wed Mar 7, 6:06 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Miklos Szeredi, (Wed Mar 7, 6:13 am)

[rfc][patch 7/6] mm: merge page_mkwrite, Nick Piggin, (Wed Mar 7, 6:30 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 6:21 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Peter Zijlstra, (Wed Mar 7, 6:24 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 6:38 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Peter Zijlstra, (Wed Mar 7, 6:47 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 7:00 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Bill Irwin, (Wed Mar 7, 8:22 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 8:36 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Peter Zijlstra, (Wed Mar 7, 7:48 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 8:17 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Peter Zijlstra, (Wed Mar 7, 8:41 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 9:08 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Peter Zijlstra, (Wed Mar 7, 9:19 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 9:36 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Miklos Szeredi, (Wed Mar 7, 9:53 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 10:50 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Peter Zijlstra, (Wed Mar 7, 9:52 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Jeff Dike, (Wed Mar 7, 11:10 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Peter Zijlstra, (Wed Mar 7, 10:34 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 11:01 am)

[RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Peter Zijlstra, (Wed Mar 7, 12:58 pm)

Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Miklos Szeredi, (Thu Mar 8, 7:21 am)

Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Nick Piggin, (Thu Mar 8, 7:58 am)

Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Miklos Szeredi, (Thu Mar 8, 8:09 am)

Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Peter Zijlstra, (Thu Mar 8, 7:37 am)

Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Miklos Szeredi, (Thu Mar 8, 7:48 am)

Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Peter Zijlstra, (Thu Mar 8, 8:11 am)

Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Nick Piggin, (Thu Mar 8, 8:19 am)

Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Miklos Szeredi, (Thu Mar 8, 8:25 am)

Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Linus Torvalds, (Wed Mar 7, 2:00 pm)

Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Peter Zijlstra, (Wed Mar 7, 2:12 pm)

Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Peter Zijlstra, (Wed Mar 7, 2:24 pm)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Miklos Szeredi, (Wed Mar 7, 9:56 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Miklos Szeredi, (Wed Mar 7, 5:25 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 5:18 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Andrew Morton, (Wed Mar 7, 5:26 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 5:38 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Miklos Szeredi, (Wed Mar 7, 5:28 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Andrew Morton, (Wed Mar 7, 4:35 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Bill Irwin, (Wed Mar 7, 5:29 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Andrew Morton, (Wed Mar 7, 5:39 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Bill Irwin, (Wed Mar 7, 6:09 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Ingo Molnar, (Wed Mar 7, 4:53 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 5:28 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Bill Irwin, (Wed Mar 7, 5:44 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Blaisorblade, (Thu Mar 8, 8:39 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 5:49 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Wed Mar 7, 6:02 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Blaisorblade, (Mon Mar 12, 7:01 pm)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Mon Mar 12, 9:19 pm)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Blaisorblade, (Sat Mar 17, 8:17 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Sat Mar 17, 10:50 pm)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Blaisorblade, (Mon Mar 19, 4:44 pm)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Nick Piggin, (Tue Mar 20, 2:00 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Blaisorblade, (Wed Mar 21, 3:45 pm)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Bill Irwin, (Mon Mar 19, 8:04 am)

Re: [patch 4/6] mm: merge populate and nopage into fault (fi..., Jeff Dike, (Sun Mar 18, 9:09 am)

[patch 6/6] mm: remove legacy cruft, Nick Piggin, (Wed Feb 21, 12:50 am)

[patch 5/6] mm: merge nopfn into fault, Nick Piggin, (Wed Feb 21, 12:50 am)

Re: [patch 5/6] mm: merge nopfn into fault, Nick Piggin, (Wed Feb 21, 1:13 am)

[patch 3/6] mm: fix fault vs invalidate race for linear mapp..., Nick Piggin, (Wed Feb 21, 12:50 am)

Re: [patch 3/6] mm: fix fault vs invalidate race for linear ..., Andrew Morton, (Wed Mar 7, 2:36 am)

Re: [patch 3/6] mm: fix fault vs invalidate race for linear ..., Nick Piggin, (Wed Mar 7, 2:57 am)

Re: [patch 3/6] mm: fix fault vs invalidate race for linear ..., Andrew Morton, (Wed Mar 7, 3:08 am)

Re: [patch 3/6] mm: fix fault vs invalidate race for linear ..., Nick Piggin, (Wed Mar 7, 3:25 am)

[patch 2/6] mm: simplify filemap_nopage, Nick Piggin, (Wed Feb 21, 12:49 am)

[patch 1/6] mm: debug check for the fault vs invalidate race, Nick Piggin, (Wed Feb 21, 12:49 am)

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