diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-09-06 22:48:53 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-09-27 05:46:19 +0300 |
| commit | 405e669172e20be9a42cecf8be0fbed089fab045 (patch) | |
| tree | 26e67bc655b9f4ba865a76c02de9311379134291 /arch/powerpc/mm/book3s64/subpage_prot.c | |
| parent | 70fa203165d96ae03abb83cf60d30c44e6b81a12 (diff) | |
| download | linux-405e669172e20be9a42cecf8be0fbed089fab045.tar.xz | |
powerpc: remove mmap linked list walks
Use the VMA iterator instead.
Link: https://lkml.kernel.org/r/20220906194824.2110408-34-Liam.Howlett@oracle.com
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Tested-by: Yu Zhao <yuzhao@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: SeongJae Park <sj@kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/powerpc/mm/book3s64/subpage_prot.c')
| -rw-r--r-- | arch/powerpc/mm/book3s64/subpage_prot.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/arch/powerpc/mm/book3s64/subpage_prot.c b/arch/powerpc/mm/book3s64/subpage_prot.c index 60c6ea16a972..d73b3b4176e8 100644 --- a/arch/powerpc/mm/book3s64/subpage_prot.c +++ b/arch/powerpc/mm/book3s64/subpage_prot.c @@ -149,24 +149,15 @@ static void subpage_mark_vma_nohuge(struct mm_struct *mm, unsigned long addr, unsigned long len) { struct vm_area_struct *vma; + VMA_ITERATOR(vmi, mm, addr); /* * We don't try too hard, we just mark all the vma in that range * VM_NOHUGEPAGE and split them. */ - vma = find_vma(mm, addr); - /* - * If the range is in unmapped range, just return - */ - if (vma && ((addr + len) <= vma->vm_start)) - return; - - while (vma) { - if (vma->vm_start >= (addr + len)) - break; + for_each_vma_range(vmi, vma, addr + len) { vma->vm_flags |= VM_NOHUGEPAGE; walk_page_vma(vma, &subpage_walk_ops, NULL); - vma = vma->vm_next; } } #else |