Commit 669afa4e authored by Tiwei Bie's avatar Tiwei Bie Committed by Richard Weinberger
Browse files

um: Remove the redundant newpage check in update_pte_range 



The two checks have been identical since commit ef714f15 ("um:
remove force_flush_all from fork_handler"). And the inner one isn't
necessary anymore.

Signed-off-by: default avatarTiwei Bie <tiwei.btw@antgroup.com>
Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
parent 2fcd16fb

arch/um/kernel/tlb.c

+6 −10
Original line number Diff line number Diff line
@@ -82,16 +82,12 @@ static inline int update_pte_range(pmd_t *pmd, unsigned long addr, 
			(x ? UM_PROT_EXEC : 0));

		if (pte_newpage(*pte)) {

			if (pte_present(*pte)) {

				if (pte_newpage(*pte)) {

				__u64 offset;

					unsigned long phys =

						pte_val(*pte) & PAGE_MASK;

				unsigned long phys = pte_val(*pte) & PAGE_MASK;

				int fd = phys_mapping(phys, &offset);



					ret = ops->mmap(ops->mm_idp, addr,

							PAGE_SIZE, prot, fd,

							offset);

				}

				ret = ops->mmap(ops->mm_idp, addr, PAGE_SIZE,

						prot, fd, offset);

			} else

				ret = ops->unmap(ops->mm_idp, addr, PAGE_SIZE);

		} else if (pte_newprot(*pte))