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Commit 0e41e277 authored by Oleg Nesterov's avatar Oleg Nesterov Committed by Linus Torvalds
Browse files

mm: /proc/pid/clear_refs: no need to clear VM_SOFTDIRTY in clear_soft_dirty_pmd() 



clear_soft_dirty_pmd() is called by clear_refs_write(CLEAR_REFS_SOFT_DIRTY),
VM_SOFTDIRTY was already cleared before walk_page_range().

Signed-off-by: default avatarOleg Nesterov <oleg@redhat.com>
Acked-by: default avatarKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: default avatarCyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent bb5b8589

fs/proc/task_mmu.c

+0 −3
Original line number Diff line number Diff line
@@ -881,9 +881,6 @@ static inline void clear_soft_dirty_pmd(struct vm_area_struct *vma, 
	pmd = pmd_wrprotect(pmd);

	pmd = pmd_clear_soft_dirty(pmd);



	if (vma->vm_flags & VM_SOFTDIRTY)

		vma->vm_flags &= ~VM_SOFTDIRTY;



	set_pmd_at(vma->vm_mm, addr, pmdp, pmd);

}

#else