diff options
| author | Hugh Dickins <hughd@google.com> | 2021-06-24 18:39:20 -0700 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2021-06-30 08:47:28 -0400 |
| commit | bf60fc2314b98fc57b8ef20a7a3a5642513ef6d1 (patch) | |
| tree | 14b32b592d9c65c5a3fda40595762366779b26dc /mm | |
| parent | 9f85dcaf1533a20d0ba8443a214af19a8a732f64 (diff) | |
mm: page_vma_mapped_walk(): use goto instead of while (1)
commit 474466301dfd8b39a10c01db740645f3f7ae9a28 upstream.
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: Greg Kroah-Hartman <gregkh@linuxfoundation.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 3c3a7cb2de85..cb43affe6c76 100644 --- a/mm/page_vma_mapped.c +++ b/mm/page_vma_mapped.c @@ -143,6 +143,7 @@ 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; @@ -232,10 +233,7 @@ restart: } if (!map_pte(pvmw)) goto next_pte; - } - while (1) { - unsigned long end; - +this_pte: if (check_pte(pvmw)) return true; next_pte: @@ -264,6 +262,7 @@ next_pte: pvmw->ptl = pte_lockptr(mm, pvmw->pmd); spin_lock(pvmw->ptl); } + goto this_pte; } } |