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authorJérôme Glisse <jglisse@redhat.com>2018-12-28 00:38:09 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-12-28 12:11:50 -0800
commitac46d4f3c43241ffa23d5bf36153a0830c0e02cc (patch)
tree8fb9505fd38170afe5c9ba8ff0ed54bbe6caaf4d /mm/oom_kill.c
parent5d6527a784f7a6d247961e046e830de8d71b47d1 (diff)
mm/mmu_notifier: use structure for invalidate_range_start/end calls v2
To avoid having to change many call sites everytime we want to add a parameter use a structure to group all parameters for the mmu_notifier invalidate_range_start/end cakks. No functional changes with this patch. [akpm@linux-foundation.org: coding style fixes] Link: http://lkml.kernel.org/r/20181205053628.3210-3-jglisse@redhat.com Signed-off-by: Jérôme Glisse <jglisse@redhat.com> Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Jan Kara <jack@suse.cz> Cc: Matthew Wilcox <mawilcox@microsoft.com> Cc: Ross Zwisler <zwisler@kernel.org> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Radim Krcmar <rkrcmar@redhat.com> Cc: Michal Hocko <mhocko@kernel.org> Cc: Felix Kuehling <felix.kuehling@amd.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: John Hubbard <jhubbard@nvidia.com> From: Jérôme Glisse <jglisse@redhat.com> Subject: mm/mmu_notifier: use structure for invalidate_range_start/end calls v3 fix build warning in migrate.c when CONFIG_MMU_NOTIFIER=n Link: http://lkml.kernel.org/r/20181213171330.8489-3-jglisse@redhat.com Signed-off-by: Jérôme Glisse <jglisse@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/oom_kill.c')
-rw-r--r--mm/oom_kill.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 5442cb12e4ed..f0e8cd9edb1a 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -528,19 +528,20 @@ bool __oom_reap_task_mm(struct mm_struct *mm)
* count elevated without a good reason.
*/
if (vma_is_anonymous(vma) || !(vma->vm_flags & VM_SHARED)) {
- const unsigned long start = vma->vm_start;
- const unsigned long end = vma->vm_end;
+ struct mmu_notifier_range range;
struct mmu_gather tlb;
- tlb_gather_mmu(&tlb, mm, start, end);
- if (mmu_notifier_invalidate_range_start_nonblock(mm, start, end)) {
- tlb_finish_mmu(&tlb, start, end);
+ mmu_notifier_range_init(&range, mm, vma->vm_start,
+ vma->vm_end);
+ tlb_gather_mmu(&tlb, mm, range.start, range.end);
+ if (mmu_notifier_invalidate_range_start_nonblock(&range)) {
+ tlb_finish_mmu(&tlb, range.start, range.end);
ret = false;
continue;
}
- unmap_page_range(&tlb, vma, start, end, NULL);
- mmu_notifier_invalidate_range_end(mm, start, end);
- tlb_finish_mmu(&tlb, start, end);
+ unmap_page_range(&tlb, vma, range.start, range.end, NULL);
+ mmu_notifier_invalidate_range_end(&range);
+ tlb_finish_mmu(&tlb, range.start, range.end);
}
}