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| author | Hugh Dickins <hughd@google.com> | 2021-06-24 18:39:20 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-11 12:49:29 +0200 |
| commit | 7d82908ba4fb6ae809db8a5d63f85f1acc6d2946 (patch) | |
| tree | 976acca53b1d91c6d3c3512d4aa68742532d4621 /mm | |
| parent | ac0324b14dae4dd664fd94d9ada161089f4d2b8b (diff) | |
| download | linux-stable-7d82908ba4fb6ae809db8a5d63f85f1acc6d2946.tar.gz linux-stable-7d82908ba4fb6ae809db8a5d63f85f1acc6d2946.tar.bz2 linux-stable-7d82908ba4fb6ae809db8a5d63f85f1acc6d2946.zip | |
mm: page_vma_mapped_walk(): use goto instead of while (1)
[ Upstream commit 474466301dfd8b39a10c01db740645f3f7ae9a28 ]
page_vma_mapped_walk() cleanup: add a label this_pte, matching next_pte,
and use "goto this_pte", in place of the "while (1)" loop at the end.
Link: https://lkml.kernel.org/r/a52b234a-851-3616-2525-f42736e8934@google.com
Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Peter Xu <peterx@redhat.com>
Cc: Ralph Campbell <rcampbell@nvidia.com>
Cc: Wang Yugui <wangyugui@e16-tech.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Zi Yan <ziy@nvidia.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page_vma_mapped.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/mm/page_vma_mapped.c b/mm/page_vma_mapped.c index 819945678264..470f19c917ad 100644 --- a/mm/page_vma_mapped.c +++ b/mm/page_vma_mapped.c @@ -139,6 +139,7 @@ bool page_vma_mapped_walk(struct page_vma_mapped_walk *pvmw) { struct mm_struct *mm = pvmw->vma->vm_mm; struct page *page = pvmw->page; + unsigned long end; pgd_t *pgd; p4d_t *p4d; pud_t *pud; @@ -229,10 +230,7 @@ restart: } if (!map_pte(pvmw)) goto next_pte; - } - while (1) { - unsigned long end; - +this_pte: if (check_pte(pvmw)) return true; next_pte: @@ -261,6 +259,7 @@ next_pte: pvmw->ptl = pte_lockptr(mm, pvmw->pmd); spin_lock(pvmw->ptl); } + goto this_pte; } } |