Commit cbd43755 authored Sep 06, 2022 by Matthew Wilcox (Oracle) Committed by Andrew Morton Sep 26, 2022

um: remove vma linked list walk

Use the VMA iterator instead.

Link: https://lkml.kernel.org/r/20220906194824.2110408-40-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: 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: Vlastimil Babka <vbabka@suse.cz>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

parent df724ced

arch/um/kernel/tlb.c

+6 −8

Original line number	Diff line number	Diff line
		@@ -584,21 +584,19 @@ void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start,

		void flush_tlb_mm(struct mm_struct *mm)
		{
		struct vm_area_struct *vma = mm->mmap;
		struct vm_area_struct *vma;
		VMA_ITERATOR(vmi, mm, 0);

		while (vma != NULL) {
		for_each_vma(vmi, vma)
		fix_range(mm, vma->vm_start, vma->vm_end, 0);
		vma = vma->vm_next;
		}
		}

		void force_flush_all(void)
		{
		struct mm_struct *mm = current->mm;
		struct vm_area_struct *vma = mm->mmap;
		struct vm_area_struct *vma;
		VMA_ITERATOR(vmi, mm, 0);

		while (vma != NULL) {
		for_each_vma(vmi, vma)
		fix_range(mm, vma->vm_start, vma->vm_end, 1);
		vma = vma->vm_next;
		}
		}