[PATCH v7 33/70] parisc: Remove mmap linked list from cache handling

Liam Howlett
2022-04-04T14:38:44Z

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>
---
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);
}

--
2.34.1