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-rw-r--r--mm/khugepaged.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index fb0fdaec34d5..c427fe2ca7ff 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -1643,6 +1643,7 @@ static void collapse_file(struct mm_struct *mm,
XA_STATE_ORDER(xas, &mapping->i_pages, start, HPAGE_PMD_ORDER);
int nr_none = 0, result = SCAN_SUCCEED;
bool is_shmem = shmem_file(file);
+ int nr;
VM_BUG_ON(!IS_ENABLED(CONFIG_READ_ONLY_THP_FOR_FS) && !is_shmem);
VM_BUG_ON(start & (HPAGE_PMD_NR - 1));
@@ -1854,11 +1855,12 @@ out_unlock:
put_page(page);
goto xa_unlocked;
}
+ nr = thp_nr_pages(new_page);
if (is_shmem)
__inc_lruvec_page_state(new_page, NR_SHMEM_THPS);
else {
- __inc_lruvec_page_state(new_page, NR_FILE_THPS);
+ __mod_lruvec_page_state(new_page, NR_FILE_THPS, nr);
filemap_nr_thps_inc(mapping);
}