diff options
| author | Jérôme Glisse <jglisse@redhat.com> | 2018-12-28 00:38:09 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-12-28 12:11:50 -0800 |
| commit | ac46d4f3c43241ffa23d5bf36153a0830c0e02cc (patch) | |
| tree | 8fb9505fd38170afe5c9ba8ff0ed54bbe6caaf4d /mm/oom_kill.c | |
| parent | 5d6527a784f7a6d247961e046e830de8d71b47d1 (diff) | |
| download | linux-ac46d4f3c43241ffa23d5bf36153a0830c0e02cc.tar.bz2 | |
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.c | 17 |
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); } } |