parisc: remove mmap linked list from cache handling

Use the VMA iterator instead.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>

diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 23348199f3f8060e130b17819b2703b635928a52..ab7c789541bff4b007bc222723bf2d51013bdb80 100644 (file)
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -536,9 +536,11 @@ static inline unsigned long mm_total_size(struct mm_struct *mm)
 {
        struct vm_area_struct *vma;
        unsigned long usize = 0;
+       VMA_ITERATOR(vmi, mm, 0);
 
-       for (vma = mm->mmap; vma; vma = vma->vm_next)
+       for_each_vma(vmi, vma)
                usize += vma->vm_end - vma->vm_start;
+
        return usize;
 }
 
@@ -578,6 +580,7 @@ static void flush_cache_pages(struct vm_area_struct *vma, struct mm_struct *mm,
 void flush_cache_mm(struct mm_struct *mm)
 {
        struct vm_area_struct *vma;
+       VMA_ITERATOR(vmi, mm, 0);
 
        /* Flushing the whole cache on each cpu takes forever on
           rp3440, etc.  So, avoid it if the mm isn't too big.  */
@@ -589,7 +592,7 @@ void flush_cache_mm(struct mm_struct *mm)
                return;
        }
 
-       for (vma = mm->mmap; vma; vma = vma->vm_next)
+       for_each_vma(vmi, vma)
                flush_cache_pages(vma, mm, vma->vm_start, vma->vm_end);
 }