From e430a95a04efc557bc4ff9b3035c7c85aee5d63f Mon Sep 17 00:00:00 2001 From: Suren Baghdasaryan Date: Thu, 26 Jan 2023 11:37:48 -0800 Subject: mm: replace VM_LOCKED_CLEAR_MASK with VM_LOCKED_MASK To simplify the usage of VM_LOCKED_CLEAR_MASK in vm_flags_clear(), replace it with VM_LOCKED_MASK bitmask and convert all users. Link: https://lkml.kernel.org/r/20230126193752.297968-4-surenb@google.com Signed-off-by: Suren Baghdasaryan Acked-by: Michal Hocko Acked-by: Mel Gorman Acked-by: Mike Rapoport (IBM) Reviewed-by: Davidlohr Bueso Cc: Andy Lutomirski Cc: Arjun Roy Cc: Axel Rasmussen Cc: David Hildenbrand Cc: David Howells Cc: David Rientjes Cc: Eric Dumazet Cc: Greg Thelen Cc: Hugh Dickins Cc: Ingo Molnar Cc: Jann Horn Cc: Joel Fernandes Cc: Johannes Weiner Cc: Kent Overstreet Cc: Laurent Dufour Cc: Liam R. Howlett Cc: Lorenzo Stoakes Cc: Matthew Wilcox Cc: Minchan Kim Cc: Paul E. McKenney Cc: Peter Oskolkov Cc: Peter Xu Cc: Peter Zijlstra Cc: Punit Agrawal Cc: Sebastian Andrzej Siewior Cc: Sebastian Reichel Cc: Shakeel Butt Cc: Soheil Hassas Yeganeh Cc: Song Liu Cc: Vlastimil Babka Cc: Will Deacon Signed-off-by: Andrew Morton --- mm/hugetlb.c | 4 ++-- mm/mlock.c | 6 +++--- mm/mmap.c | 6 +++--- mm/mremap.c | 2 +- 4 files changed, 9 insertions(+), 9 deletions(-) (limited to 'mm') diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 0f9df0143772..ab35b1cc9927 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -6969,8 +6969,8 @@ static unsigned long page_table_shareable(struct vm_area_struct *svma, unsigned long s_end = sbase + PUD_SIZE; /* Allow segments to share if only one is marked locked */ - unsigned long vm_flags = vma->vm_flags & VM_LOCKED_CLEAR_MASK; - unsigned long svm_flags = svma->vm_flags & VM_LOCKED_CLEAR_MASK; + unsigned long vm_flags = vma->vm_flags & ~VM_LOCKED_MASK; + unsigned long svm_flags = svma->vm_flags & ~VM_LOCKED_MASK; /* * match the virtual addresses, permission and the alignment of the diff --git a/mm/mlock.c b/mm/mlock.c index 0336f52e03d7..5c4fff93cd6b 100644 --- a/mm/mlock.c +++ b/mm/mlock.c @@ -497,7 +497,7 @@ static int apply_vma_lock_flags(unsigned long start, size_t len, if (vma->vm_start != tmp) return -ENOMEM; - newflags = vma->vm_flags & VM_LOCKED_CLEAR_MASK; + newflags = vma->vm_flags & ~VM_LOCKED_MASK; newflags |= flags; /* Here we know that vma->vm_start <= nstart < vma->vm_end. */ tmp = vma->vm_end; @@ -661,7 +661,7 @@ static int apply_mlockall_flags(int flags) struct vm_area_struct *vma, *prev = NULL; vm_flags_t to_add = 0; - current->mm->def_flags &= VM_LOCKED_CLEAR_MASK; + current->mm->def_flags &= ~VM_LOCKED_MASK; if (flags & MCL_FUTURE) { current->mm->def_flags |= VM_LOCKED; @@ -681,7 +681,7 @@ static int apply_mlockall_flags(int flags) for_each_vma(vmi, vma) { vm_flags_t newflags; - newflags = vma->vm_flags & VM_LOCKED_CLEAR_MASK; + newflags = vma->vm_flags & ~VM_LOCKED_MASK; newflags |= to_add; /* Ignore errors */ diff --git a/mm/mmap.c b/mm/mmap.c index b698a96d0511..03d7c37c5969 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2668,7 +2668,7 @@ expanded: if ((vm_flags & VM_SPECIAL) || vma_is_dax(vma) || is_vm_hugetlb_page(vma) || vma == get_gate_vma(current->mm)) - vma->vm_flags &= VM_LOCKED_CLEAR_MASK; + vm_flags_clear(vma, VM_LOCKED_MASK); else mm->locked_vm += (len >> PAGE_SHIFT); } @@ -3338,8 +3338,8 @@ static struct vm_area_struct *__install_special_mapping( vma->vm_start = addr; vma->vm_end = addr + len; - vma->vm_flags = vm_flags | mm->def_flags | VM_DONTEXPAND | VM_SOFTDIRTY; - vma->vm_flags &= VM_LOCKED_CLEAR_MASK; + vm_flags_init(vma, (vm_flags | mm->def_flags | + VM_DONTEXPAND | VM_SOFTDIRTY) & ~VM_LOCKED_MASK); vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); vma->vm_ops = ops; diff --git a/mm/mremap.c b/mm/mremap.c index 5c9a57909862..d70d8063c6e2 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -687,7 +687,7 @@ static unsigned long move_vma(struct vm_area_struct *vma, if (unlikely(!err && (flags & MREMAP_DONTUNMAP))) { /* We always clear VM_LOCKED[ONFAULT] on the old vma */ - vma->vm_flags &= VM_LOCKED_CLEAR_MASK; + vm_flags_clear(vma, VM_LOCKED_MASK); /* * anon_vma links of the old vma is no longer needed after its page -- cgit v1.2.3