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Message-ID: <20131017212319.GS2443@sirena.org.uk>
Date: Thu, 17 Oct 2013 22:23:19 +0100
From: Mark Brown <broonie@...nel.org>
To: Cyrill Gorcunov <gorcunov@...nvz.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Mel Gorman <mgorman@...e.de>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...nel.org>
Cc: Thierry Reding <thierry.reding@...il.com>,
linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: linux-next: manual merge of the tip tree
Today's linux-next merge of the kvm-arm tree got conflicts in
mm/mprotect.c between c3d16e1652 (mm: migration: do not lose soft dirty
bit if page is in migration state) from Linus' tree and e920e14c (mm: Do
not flush TLB during protection change if !pte_present &&
!migration_entry) from the tip tree.
I've fixed up as below and can carry as required.
diff --cc mm/mprotect.c
index a3af058,a0302ac..0000000
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@@ -100,12 -89,11 +90,12 @@@ static unsigned long change_pte_range(s
* just be safe and disable write
*/
make_migration_entry_read(&entry);
- set_pte_at(mm, addr, pte,
- swp_entry_to_pte(entry));
-
+ newpte = swp_entry_to_pte(entry);
+ if (pte_swp_soft_dirty(oldpte))
+ newpte = pte_swp_mksoft_dirty(newpte);
+ set_pte_at(mm, addr, pte, newpte);
+ pages++;
}
- pages++;
}
} while (pte++, addr += PAGE_SIZE, addr != end);
arch_leave_lazy_mmu_mode();
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