[PATCH v9 32/69] parisc: remove mmap linked list from cache handling

Liam Howlett liam.howlett at oracle.com
Tue May 3 18:13:55 PDT 2022


From: "Matthew Wilcox (Oracle)" <willy at infradead.org>

Use the VMA iterator instead.

Signed-off-by: Matthew Wilcox (Oracle) <willy at infradead.org>
Signed-off-by: Liam R. Howlett <Liam.Howlett at Oracle.com>
Acked-by: Vlastimil Babka <vbabka at suse.cz>
---
 arch/parisc/kernel/cache.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 23348199f3f8..ab7c789541bf 100644
--- 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);
 }
 
-- 
2.35.1



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