lkml.org 
[lkml]   [2022]   [Aug]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v13 32/70] parisc: remove mmap linked list from cache handling
Date
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>

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 | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 3feb7694e0ca..1d3b8bc8a623 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -657,15 +657,20 @@ 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 && usize < parisc_cache_flush_threshold; vma = vma->vm_next)
+ for_each_vma(vmi, vma) {
+ if (usize >= parisc_cache_flush_threshold)
+ break;
usize += vma->vm_end - vma->vm_start;
+ }
return usize;
}

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
@@ -685,7 +690,7 @@ void flush_cache_mm(struct mm_struct *mm)
}

/* Flush mm */
- for (vma = mm->mmap; vma; vma = vma->vm_next)
+ for_each_vma(vmi, vma)
flush_cache_pages(vma, vma->vm_start, vma->vm_end);
}

--
2.35.1
\
 
 \ /
  Last update: 2022-08-22 17:08    [W:0.690 / U:0.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site