[Patch v2 1/3] mm/khugepaged: remove redundant clearing of struct collapse_control

[Wei Yang <richard.weiyang@gmail.com>]

The structure struct collapse_control is being unnecessarily cleared
twice during the huge page collapse process.

Both hpage_collapse_scan_file() and hpage_collapse_scan_pmd() currently
perform a clear operation on this structure.

Remove the redundant clear operation.

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
---
 mm/khugepaged.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 7e8cb181d5bd..1fc8986a28b3 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -2803,8 +2803,6 @@ int madvise_collapse(struct vm_area_struct *vma, unsigned long start,
 			hend = min(hend, vma->vm_end & HPAGE_PMD_MASK);
 		}
 		mmap_assert_locked(mm);
-		memset(cc->node_load, 0, sizeof(cc->node_load));
-		nodes_clear(cc->alloc_nmask);
 		if (!vma_is_anonymous(vma)) {
 			struct file *file = get_file(vma->vm_file);
 			pgoff_t pgoff = linear_page_index(vma, addr);
-- 
2.34.1