The patch titled
Subject: mm: thp: inc counter for collapsed shmem THP
has been removed from the -mm tree. Its filename was
mm-thp-inc-counter-for-collapsed-shmem-thp.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx>
Subject: mm: thp: inc counter for collapsed shmem THP
/sys/kernel/mm/transparent_hugepage/khugepaged/pages_collapsed is used to
record the counter of collapsed THP, but it just gets inc'ed in anonymous
THP collapse path, do this for shmem THP collapse too.
Link: http://lkml.kernel.org/r/1529622949-75504-2-git-send-email-yang.shi@xxxxxxxxxxxxxxxxx
Signed-off-by: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx>
Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/khugepaged.c | 2 ++
1 file changed, 2 insertions(+)
--- a/mm/khugepaged.c~mm-thp-inc-counter-for-collapsed-shmem-thp
+++ a/mm/khugepaged.c
@@ -1516,6 +1516,8 @@ tree_unlocked:
unlock_page(new_page);
*hpage = NULL;
+
+ khugepaged_pages_collapsed++;
} else {
/* Something went wrong: rollback changes to the radix-tree */
shmem_uncharge(mapping->host, nr_none);
_
Patches currently in -mm which might be from yang.shi@xxxxxxxxxxxxxxxxx are
