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* [folded-merged] mm-avoid-access-flag-update-tlb-flush-for-retried-page-fault-v2.patch removed from -mm tree
@ 2020-07-24  4:06 akpm
  0 siblings, 0 replies; only message in thread
From: akpm @ 2020-07-24  4:06 UTC (permalink / raw)
  To: catalin.marinas, hannes, hdanton, hughd, josef, kirill.shutemov,
	mm-commits, will.deacon, willy, xuyu, yang.shi


The patch titled
     Subject: mm-avoid-access-flag-update-tlb-flush-for-retried-page-fault-v2
has been removed from the -mm tree.  Its filename was
     mm-avoid-access-flag-update-tlb-flush-for-retried-page-fault-v2.patch

This patch was dropped because it was folded into mm-avoid-access-flag-update-tlb-flush-for-retried-page-fault.patch

------------------------------------------------------
From: Yang Shi <yang.shi@linux.alibaba.com>
Subject: mm-avoid-access-flag-update-tlb-flush-for-retried-page-fault-v2

incorporat comment from Will Deacon, update commit log per discussion

Link: http://lkml.kernel.org/r/1594848990-55657-1-git-send-email-yang.shi@linux.alibaba.com
Fixes: 89b15332af7c ("mm: drop mmap_sem before calling balance_dirty_pages() in write fault")
Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com>
Reported-by: Xu Yu <xuyu@linux.alibaba.com>
Debugged-by: Xu Yu <xuyu@linux.alibaba.com>
Tested-by: Xu Yu <xuyu@linux.alibaba.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Hillf Danton <hdanton@sina.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Josef Bacik <josef@toxicpanda.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/memory.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

--- a/mm/memory.c~mm-avoid-access-flag-update-tlb-flush-for-retried-page-fault-v2
+++ a/mm/memory.c
@@ -4243,11 +4243,12 @@ static vm_fault_t handle_pte_fault(struc
 			return do_wp_page(vmf);
 	}
 
-	if ((vmf->flags & FAULT_FLAG_WRITE) && !(vmf->flags & FAULT_FLAG_TRIED))
-		entry = pte_mkdirty(entry);
-	else if (vmf->flags & FAULT_FLAG_TRIED)
+	if (vmf->flags & FAULT_FLAG_TRIED)
 		goto unlock;
 
+	if (vmf->flags & FAULT_FLAG_WRITE)
+		entry = pte_mkdirty(entry);
+
 	entry = pte_mkyoung(entry);
 	if (ptep_set_access_flags(vmf->vma, vmf->address, vmf->pte, entry,
 				vmf->flags & FAULT_FLAG_WRITE)) {
_

Patches currently in -mm which might be from yang.shi@linux.alibaba.com are

mm-avoid-access-flag-update-tlb-flush-for-retried-page-fault.patch
mm-filemap-clear-idle-flag-for-writes.patch
mm-filemap-add-missing-fgp_-flags-in-kerneldoc-comment-for-pagecache_get_page.patch
mm-thp-remove-debug_cow-switch.patch


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2020-07-24  4:06 [folded-merged] mm-avoid-access-flag-update-tlb-flush-for-retried-page-fault-v2.patch removed from -mm tree akpm

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