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mm/oom_kill: use vma iterators instead of vma linked list 

Use vma iterator in preparation of removing the linked list.

Link: https://lkml.kernel.org/r/20220906194824.2110408-62-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
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: "Matthew Wilcox (Oracle)" <willy@infradead.org>
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>
This commit is contained in:
Liam R. Howlett 2022-09-06 19:49:03 +00:00 committed by Andrew Morton
parent 4267d1fd78
commit e1c2c775d4
1 changed files with 2 additions and 1 deletions
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3
mm/oom_kill.c
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@ -513,6 +513,7 @@ bool __oom_reap_task_mm(struct mm_struct *mm)
{
struct vm_area_struct *vma;
bool ret = true;
VMA_ITERATOR(vmi, mm, 0);
/*
* Tell all users of get_user/copy_from_user etc... that the content
@ -522,7 +523,7 @@ bool __oom_reap_task_mm(struct mm_struct *mm)
*/
set_bit(MMF_UNSTABLE, &mm->flags);
for (vma = mm->mmap ; vma; vma = vma->vm_next) {
for_each_vma(vmi, vma) {
if (vma->vm_flags & (VM_HUGETLB|VM_PFNMAP))
continue;