The patch titled
mm: set VM_FAULT_WRITE in do_swap_page()
has been added to the -mm tree. Its filename is
mm-set-vm_fault_write-in-do_swap_page.patch
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------------------------------------------------------
Subject: mm: set VM_FAULT_WRITE in do_swap_page()
From: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Set the flag if do_swap_page is decowing the page the same way do_wp_page
would too.
Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Nick Piggin <nickpiggin@xxxxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory.c | 1 +
1 file changed, 1 insertion(+)
diff -puN mm/memory.c~mm-set-vm_fault_write-in-do_swap_page mm/memory.c
--- a/mm/memory.c~mm-set-vm_fault_write-in-do_swap_page
+++ a/mm/memory.c
@@ -2713,6 +2713,7 @@ static int do_swap_page(struct mm_struct
if ((flags & FAULT_FLAG_WRITE) && reuse_swap_page(page)) {
pte = maybe_mkwrite(pte_mkdirty(pte), vma);
flags &= ~FAULT_FLAG_WRITE;
+ ret |= VM_FAULT_WRITE;
exclusive = 1;
}
flush_icache_page(vma, page);
_
Patches currently in -mm which might be from aarcange@xxxxxxxxxx are
linux-next.patch
hugetlb-call-mmu-notifiers-on-hugepage-cow.patch
define-madv_hugepage.patch
mmap-remove-unnecessary-lock-from-__vma_link.patch
rmap-always-add-new-vmas-at-the-end.patch
ksm-fix-ksm-swapin-time-optimization.patch
rmap-always-use-anon_vma-root-pointer.patch
rmap-resurrect-page_address_in_vma-anon_vma-check.patch
add-anon_vma-bug-checks.patch
vmscan-tracing-add-trace-events-for-kswapd-wakeup-sleeping-and-direct-reclaim.patch
vmscan-tracing-add-trace-events-for-lru-page-isolation.patch
vmscan-tracing-add-trace-event-when-a-page-is-written.patch
vmscan-tracing-add-a-postprocessing-script-for-reclaim-related-ftrace-events.patch
vmscan-kill-prev_priority-completely.patch
vmscan-simplify-shrink_inactive_list.patch
vmscan-remove-unnecessary-temporary-vars-in-do_try_to_free_pages.patch
vmscan-set-up-pagevec-as-late-as-possible-in-shrink_inactive_list.patch
vmscan-set-up-pagevec-as-late-as-possible-in-shrink_page_list.patch
vmscan-update-isolated-page-counters-outside-of-main-path-in-shrink_inactive_list.patch
rmap-add-exclusive-page-to-private-anon_vma-on-swapin.patch
mm-set-vm_fault_write-in-do_swap_page.patch
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