Commit 9ec08f30 authored Sep 06, 2022 by Matthew Wilcox (Oracle) Committed by Andrew Morton Sep 26, 2022

mm/pagewalk: use vma_find() instead of vma linked list

walk_page_range() no longer uses the one vma linked list reference.

Link: https://lkml.kernel.org/r/20220906194824.2110408-63-Liam.Howlett@oracle.com


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>
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: Davidlohr Bueso <dave@stgolabs.net>
Cc: SeongJae Park <sj@kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

parent e1c2c775

mm/pagewalk.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -456,7 +456,7 @@ int walk_page_range(struct mm_struct *mm, unsigned long start,
	} else { /* inside vma */		} else { /* inside vma */
	walk.vma = vma;		walk.vma = vma;
	next = min(end, vma->vm_end);		next = min(end, vma->vm_end);
	vma = vma->vm_next;		vma = find_vma(mm, vma->vm_end);

	err = walk_page_test(start, next, &walk);		err = walk_page_test(start, next, &walk);
	if (err > 0) {		if (err > 0) {