Commit de2b84d2 authored by Matthew Wilcox (Oracle)'s avatar Matthew Wilcox (Oracle) Committed by Andrew Morton
Browse files

arm64: remove mmap linked list from vdso 

Use the VMA iterator instead.

Link: https://lkml.kernel.org/r/20220906194824.2110408-31-Liam.Howlett@oracle.com


Signed-off-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: default avatarLiam R. Howlett <Liam.Howlett@Oracle.com>
Acked-by: default avatarVlastimil Babka <vbabka@suse.cz>
Reviewed-by: default avatarDavidlohr Bueso <dave@stgolabs.net>
Tested-by: default avatarYu 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: Will Deacon <will@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 67e7c167

arch/arm64/kernel/vdso.c

+2 −1
Original line number Diff line number Diff line
@@ -136,10 +136,11 @@ int vdso_join_timens(struct task_struct *task, struct time_namespace *ns) 
{

	struct mm_struct *mm = task->mm;

	struct vm_area_struct *vma;

	VMA_ITERATOR(vmi, mm, 0);



	mmap_read_lock(mm);



	for (vma = mm->mmap; vma; vma = vma->vm_next) {

	for_each_vma(vmi, vma) {

		unsigned long size = vma->vm_end - vma->vm_start;



		if (vma_is_special_mapping(vma, vdso_info[VDSO_ABI_AA64].dm))