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authorPeter Xu <peterx@redhat.com>2022-10-24 22:33:36 +0300
committerAndrew Morton <akpm@linux-foundation.org>2022-11-09 04:37:21 +0300
commitb12fdbf15f92b6cf5fecdd8a1855afe8809e5c58 (patch)
tree65cccea20e27eb0909024e5a5eb0e516f4fbdc94 /mm/mprotect.c
parent26215b7ee923b9251f7bb12c4e5f09dc465d35f2 (diff)
downloadlinux-b12fdbf15f92b6cf5fecdd8a1855afe8809e5c58.tar.xz
Revert "mm/uffd: fix warning without PTE_MARKER_UFFD_WP compiled in"
With " mm/uffd: Fix vma check on userfault for wp" to fix the registration, we'll be safe to remove the macro hacks now. Link: https://lkml.kernel.org/r/20221024193336.1233616-3-peterx@redhat.com Signed-off-by: Peter Xu <peterx@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/mprotect.c')
-rw-r--r--mm/mprotect.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c
index 99762403cc8f..8d770855b591 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -267,7 +267,6 @@ static unsigned long change_pte_range(struct mmu_gather *tlb,
} else {
/* It must be an none page, or what else?.. */
WARN_ON_ONCE(!pte_none(oldpte));
-#ifdef CONFIG_PTE_MARKER_UFFD_WP
if (unlikely(uffd_wp && !vma_is_anonymous(vma))) {
/*
* For file-backed mem, we need to be able to
@@ -279,7 +278,6 @@ static unsigned long change_pte_range(struct mmu_gather *tlb,
make_pte_marker(PTE_MARKER_UFFD_WP));
pages++;
}
-#endif
}
} while (pte++, addr += PAGE_SIZE, addr != end);
arch_leave_lazy_mmu_mode();