The patch titled
Subject: mm/memory: remove unnecessary pte_devmap case in copy_one_pte()
has been added to the -mm tree. Its filename is
mm-memory-remove-unnecessary-pte_devmap-case-in-copy_one_pte.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-memory-remove-unnecessary-pte_devmap-case-in-copy_one_pte.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-memory-remove-unnecessary-pte_devmap-case-in-copy_one_pte.patch
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------------------------------------------------------
From: chenqiwu <chenqiwu@xxxxxxxxxx>
Subject: mm/memory: remove unnecessary pte_devmap case in copy_one_pte()
Since commit 25b2995a35b6 ("mm: remove MEMORY_DEVICE_PUBLIC support"), the
assignment to 'page' for pte_devmap case has been unnecessary. Let's
remove it.
[willy@xxxxxxxxxxxxx: changelog]
Link: http://lkml.kernel.org/r/1587349685-31712-1-git-send-email-qiwuchen55@xxxxxxxxx
Signed-off-by: chenqiwu <chenqiwu@xxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory.c | 2 --
1 file changed, 2 deletions(-)
--- a/mm/memory.c~mm-memory-remove-unnecessary-pte_devmap-case-in-copy_one_pte
+++ a/mm/memory.c
@@ -802,8 +802,6 @@ copy_one_pte(struct mm_struct *dst_mm, s
get_page(page);
page_dup_rmap(page, false);
rss[mm_counter(page)]++;
- } else if (pte_devmap(pte)) {
- page = pte_page(pte);
}
out_set_pte:
_
Patches currently in -mm which might be from chenqiwu@xxxxxxxxxx are
mm-swapfile-use-list_prevnext_entry-instead-of-open-coding.patch
mm-memory-remove-unnecessary-pte_devmap-case-in-copy_one_pte.patch
mm-replace-zero-length-array-with-flexible-array-member.patch
