Commit 07e51edf authored by Miaohe Lin's avatar Miaohe Lin Committed by Linus Torvalds
Browse files

mm/hugetlb: use helper function range_in_vma() in page_table_shareable() 

We could use helper function range_in_vma() to check whether the vma is in
the desired range to simplify the code.

Link: https://lkml.kernel.org/r/20210204112949.43051-1-linmiaohe@huawei.com


Signed-off-by: default avatarMiaohe Lin <linmiaohe@huawei.com>
Reviewed-by: default avatarMike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 8938494c

mm/hugetlb.c

+1 −1
Original line number Diff line number Diff line
@@ -5282,7 +5282,7 @@ static unsigned long page_table_shareable(struct vm_area_struct *svma, 
	 */

	if (pmd_index(addr) != pmd_index(saddr) ||

	    vm_flags != svm_flags ||

	    sbase < svma->vm_start || svma->vm_end < s_end)

	    !range_in_vma(svma, sbase, s_end))

		return 0;



	return saddr;