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

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From: Peter Zijlstra
Subject: Re: [patch 4/6] mm: merge populate and nopage into fault (fixes nonlinear)
Date: Wednesday, March 7, 2007 - 7:34 am

On Wed, 2007-03-07 at 14:52 +0100, Peter Zijlstra wrote:


Almost, but not quite, we'd need to extract another value from the
page_mkclean() run, the actual number of mappings encountered. The
return value only sums the number of dirty mappings encountered.

s390 would already work I guess.

Certainly doable.

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[patch 0/6] fault vs truncate/invalidate race fix, Nick Piggin, (Tue Feb 20, 9:49 pm)
[patch 1/6] mm: debug check for the fault vs invalidate race, Nick Piggin, (Tue Feb 20, 9:49 pm)
[patch 2/6] mm: simplify filemap_nopage, Nick Piggin, (Tue Feb 20, 9:49 pm)
[patch 3/6] mm: fix fault vs invalidate race for linear ma ..., Nick Piggin, (Tue Feb 20, 9:50 pm)
[patch 4/6] mm: merge populate and nopage into fault (fixe ..., Nick Piggin, (Tue Feb 20, 9:50 pm)
[patch 5/6] mm: merge nopfn into fault, Nick Piggin, (Tue Feb 20, 9:50 pm)
[patch 6/6] mm: remove legacy cruft, Nick Piggin, (Tue Feb 20, 9:50 pm)
Re: [patch 5/6] mm: merge nopfn into fault, Nick Piggin, (Tue Feb 20, 10:13 pm)
Re: [patch 0/6] fault vs truncate/invalidate race fix, Dave Airlie, (Mon Feb 26, 9:36 pm)
Re: [patch 0/6] fault vs truncate/invalidate race fix, Andrew Morton, (Mon Feb 26, 10:32 pm)
Re: [patch 0/6] fault vs truncate/invalidate race fix, Dave Airlie, (Mon Feb 26, 11:26 pm)
Re: [patch 0/6] fault vs truncate/invalidate race fix, Benjamin Herrenschmidt, (Mon Feb 26, 11:54 pm)
Re: [patch 0/6] fault vs truncate/invalidate race fix, Nick Piggin, (Tue Feb 27, 1:50 am)
Re: [patch 3/6] mm: fix fault vs invalidate race for linea ..., Andrew Morton, (Tue Mar 6, 11:36 pm)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Andrew Morton, (Tue Mar 6, 11:51 pm)
Re: [patch 3/6] mm: fix fault vs invalidate race for linea ..., Nick Piggin, (Tue Mar 6, 11:57 pm)
Re: [patch 3/6] mm: fix fault vs invalidate race for linea ..., Andrew Morton, (Wed Mar 7, 12:08 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 12:08 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Bill Irwin, (Wed Mar 7, 12:19 am)
Re: [patch 3/6] mm: fix fault vs invalidate race for linea ..., Nick Piggin, (Wed Mar 7, 12:25 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 1:19 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Ingo Molnar, (Wed Mar 7, 1:27 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Andrew Morton, (Wed Mar 7, 1:35 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Miklos Szeredi, (Wed Mar 7, 1:38 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Andrew Morton, (Wed Mar 7, 1:47 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Miklos Szeredi, (Wed Mar 7, 1:51 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Ingo Molnar, (Wed Mar 7, 1:53 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 1:59 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Andrew Morton, (Wed Mar 7, 2:07 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 2:11 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 2:18 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Ingo Molnar, (Wed Mar 7, 2:22 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Miklos Szeredi, (Wed Mar 7, 2:25 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Andrew Morton, (Wed Mar 7, 2:26 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 2:28 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Miklos Szeredi, (Wed Mar 7, 2:28 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Bill Irwin, (Wed Mar 7, 2:29 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Bill Irwin, (Wed Mar 7, 2:32 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Peter Zijlstra, (Wed Mar 7, 2:32 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Ingo Molnar, (Wed Mar 7, 2:35 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 2:38 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Andrew Morton, (Wed Mar 7, 2:39 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Bill Irwin, (Wed Mar 7, 2:44 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 2:45 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 2:49 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Bill Irwin, (Wed Mar 7, 2:50 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 2:52 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 3:02 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 3:04 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Benjamin Herrenschmidt, (Wed Mar 7, 3:05 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Peter Zijlstra, (Wed Mar 7, 3:06 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Bill Irwin, (Wed Mar 7, 3:09 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Miklos Szeredi, (Wed Mar 7, 3:13 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 3:17 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 3:21 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Peter Zijlstra, (Wed Mar 7, 3:24 am)
[rfc][patch 7/6] mm: merge page_mkwrite, Nick Piggin, (Wed Mar 7, 3:30 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 3:38 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Benjamin Herrenschmidt, (Wed Mar 7, 3:46 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Peter Zijlstra, (Wed Mar 7, 3:47 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 4:00 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Peter Zijlstra, (Wed Mar 7, 4:48 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 5:17 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Bill Irwin, (Wed Mar 7, 5:22 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 5:36 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Peter Zijlstra, (Wed Mar 7, 5:41 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 6:08 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Peter Zijlstra, (Wed Mar 7, 6:19 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 6:36 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Peter Zijlstra, (Wed Mar 7, 6:52 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Miklos Szeredi, (Wed Mar 7, 6:53 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Miklos Szeredi, (Wed Mar 7, 6:56 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Peter Zijlstra, (Wed Mar 7, 7:34 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 7:50 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Wed Mar 7, 8:01 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Jeff Dike, (Wed Mar 7, 8:10 am)
[RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Peter Zijlstra, (Wed Mar 7, 9:58 am)
Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Linus Torvalds, (Wed Mar 7, 11:00 am)
Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Peter Zijlstra, (Wed Mar 7, 11:12 am)
Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Peter Zijlstra, (Wed Mar 7, 11:24 am)
Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Miklos Szeredi, (Thu Mar 8, 4:21 am)
Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Peter Zijlstra, (Thu Mar 8, 4:37 am)
Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Miklos Szeredi, (Thu Mar 8, 4:48 am)
Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Nick Piggin, (Thu Mar 8, 4:58 am)
Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Miklos Szeredi, (Thu Mar 8, 5:09 am)
Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Peter Zijlstra, (Thu Mar 8, 5:11 am)
Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Nick Piggin, (Thu Mar 8, 5:19 am)
Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas, Miklos Szeredi, (Thu Mar 8, 5:25 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Blaisorblade, (Thu Mar 8, 5:39 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Blaisorblade, (Mon Mar 12, 4:01 pm)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Mon Mar 12, 6:19 pm)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Blaisorblade, (Sat Mar 17, 5:17 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Sat Mar 17, 7:50 pm)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Jeff Dike, (Sun Mar 18, 6:09 am)
Re: [patch 0/6] fault vs truncate/invalidate race fix, Dave Airlie, (Sun Mar 18, 4:13 pm)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Bill Irwin, (Mon Mar 19, 5:04 am)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Blaisorblade, (Mon Mar 19, 1:44 pm)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Nick Piggin, (Mon Mar 19, 11:00 pm)
Re: [patch 4/6] mm: merge populate and nopage into fault ( ..., Blaisorblade, (Wed Mar 21, 12:45 pm)