From: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx> Subject: mm: migrate: change to use bool type for 'page_was_mapped' Change to use bool type for 'page_was_mapped' variable making it more readable. Link: https://lkml.kernel.org/r/ce1279df18d2c163998c403e0b5ec6d3f6f90f7a.1629447552.git.baolin.wang@xxxxxxxxxxxxxxxxx Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx> Reviewed-by: Yang Shi <shy828301@xxxxxxxxx> Cc: Alistair Popple <apopple@xxxxxxxxxx> Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/migrate.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/mm/migrate.c~mm-migrate-change-to-use-bool-type-for-page_was_mapped +++ a/mm/migrate.c @@ -960,7 +960,7 @@ static int __unmap_and_move(struct page int force, enum migrate_mode mode) { int rc = -EAGAIN; - int page_was_mapped = 0; + bool page_was_mapped = false; struct anon_vma *anon_vma = NULL; bool is_lru = !__PageMovable(page); @@ -1063,7 +1063,7 @@ static int __unmap_and_move(struct page VM_BUG_ON_PAGE(PageAnon(page) && !PageKsm(page) && !anon_vma, page); try_to_migrate(page, 0); - page_was_mapped = 1; + page_was_mapped = true; } if (!page_mapped(page)) _