The patch titled
Subject: mm/thp: clean up lru_add_page_tail
has been added to the -mm tree. Its filename is
mm-thp-clean-up-lru_add_page_tail.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-thp-clean-up-lru_add_page_tail.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-thp-clean-up-lru_add_page_tail.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx>
Subject: mm/thp: clean up lru_add_page_tail
Since the first parameter is only used by head page, it's better to make
it explicit.
Link: http://lkml.kernel.org/r/1597144232-11370-4-git-send-email-alex.shi@xxxxxxxxxxxxxxxxx
Signed-off-by: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx>
Reviewed-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Roman Gushchin <guro@xxxxxx>
Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx>
Cc: Wei Yang <richard.weiyang@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/huge_memory.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
--- a/mm/huge_memory.c~mm-thp-clean-up-lru_add_page_tail
+++ a/mm/huge_memory.c
@@ -2313,19 +2313,19 @@ static void remap_page(struct page *page
}
}
-static void lru_add_page_tail(struct page *page, struct page *page_tail,
+static void lru_add_page_tail(struct page *head, struct page *page_tail,
struct lruvec *lruvec, struct list_head *list)
{
- VM_BUG_ON_PAGE(!PageHead(page), page);
- VM_BUG_ON_PAGE(PageCompound(page_tail), page);
- VM_BUG_ON_PAGE(PageLRU(page_tail), page);
+ VM_BUG_ON_PAGE(!PageHead(head), head);
+ VM_BUG_ON_PAGE(PageCompound(page_tail), head);
+ VM_BUG_ON_PAGE(PageLRU(page_tail), head);
lockdep_assert_held(&lruvec_pgdat(lruvec)->lru_lock);
if (!list)
SetPageLRU(page_tail);
- if (likely(PageLRU(page)))
- list_add_tail(&page_tail->lru, &page->lru);
+ if (likely(PageLRU(head)))
+ list_add_tail(&page_tail->lru, &head->lru);
else if (list) {
/* page reclaim is reclaiming a huge page */
get_page(page_tail);
_
Patches currently in -mm which might be from alex.shi@xxxxxxxxxxxxxxxxx are
mm-memcg-warning-on-memcg-after-readahead-page-charged.patch
mm-memcg-remove-useless-check-on-page-mem_cgroup.patch
mm-thp-move-lru_add_page_tail-func-to-huge_memoryc.patch
mm-thp-clean-up-lru_add_page_tail.patch
mm-thp-remove-code-path-which-never-got-into.patch
mm-thp-narrow-lru-locking.patch
