Messages in this thread Patch in this message | | | From | Yang Shi <> | Subject | [v2 PATCH 2/2] mm: thp: inc counter for collapsed shmem THP | Date | Fri, 22 Jun 2018 07:15:49 +0800 |
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/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.
Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com> Cc: Hugh Dickins <hughd@google.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Vlastimil Babka <vbabka@suse.cz> --- v1 --> v2: * Seperate from the previous patch per Kirill's comment
mm/khugepaged.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/mm/khugepaged.c b/mm/khugepaged.c index 9b0ec30..4018826 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -1521,6 +1521,8 @@ static void collapse_shmem(struct mm_struct *mm, 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); -- 1.8.3.1
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