+ mm-mremap-convert-huge-pud-move-to-separate-helper-fix.patch added to -mm tree

+ mm-mremap-convert-huge-pud-move-to-separate-helper-fix.patch added to -mm tree

[akpm]

The patch titled
     Subject: mm/mremap: fix build failure with clang-10
has been added to the -mm tree.  Its filename is
     mm-mremap-convert-huge-pud-move-to-separate-helper-fix.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-mremap-convert-huge-pud-move-to-separate-helper-fix.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-mremap-convert-huge-pud-move-to-separate-helper-fix.patch

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------------------------------------------------------
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Subject: mm/mremap: fix build failure with clang-10

x86_64-linux-gnu-ld: mm/mremap.o: in function `move_pgt_entry':
mremap.c:(.text+0x763): undefined reference to `__compiletime_assert_342'
make[1]: *** [/builds/linux/Makefile:1252: vmlinux] Error 1

This build failure is introduced by commit.

  06b8db69ef5 ("mm/mremap: convert huge PUD move to separate helper")

Link: https://lore.kernel.org/lkml/YMuOSnJsL9qkxweY@archlinux-ax161
Link: https://lkml.kernel.org/r/20210619134310.89098-1-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/mremap.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/mm/mremap.c~mm-mremap-convert-huge-pud-move-to-separate-helper-fix
+++ a/mm/mremap.c
@@ -448,7 +448,8 @@ static bool move_pgt_entry(enum pgt_entr
 				      new_entry);
 		break;
 	case HPAGE_PUD:
-		moved = move_huge_pud(vma, old_addr, new_addr, old_entry,
+		moved = IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) &&
+			move_huge_pud(vma, old_addr, new_addr, old_entry,
 				      new_entry);
 		break;
 
_

Patches currently in -mm which might be from aneesh.kumar@linux.ibm.com are

mm-rename-pud_page_vaddr-to-pud_pgtable-and-make-it-return-pmd_t.patch
mm-rename-pud_page_vaddr-to-pud_pgtable-and-make-it-return-pmd_t-fix-2.patch
mm-rename-p4d_page_vaddr-to-p4d_pgtable-and-make-it-return-pud_t.patch
mm-rename-p4d_page_vaddr-to-p4d_pgtable-and-make-it-return-pud_t-fix.patch
selftest-mremap_test-update-the-test-to-handle-pagesize-other-than-4k.patch
selftest-mremap_test-avoid-crash-with-static-build.patch
mm-mremap-convert-huge-pud-move-to-separate-helper.patch
mm-mremap-convert-huge-pud-move-to-separate-helper-fix.patch
mm-mremap-dont-enable-optimized-pud-move-if-page-table-levels-is-2.patch
mm-mremap-use-pmd-pud_poplulate-to-update-page-table-entries.patch
mm-mremap-hold-the-rmap-lock-in-write-mode-when-moving-page-table-entries.patch
mm-mremap-allow-arch-runtime-override.patch
powerpc-book3s64-mm-update-flush_tlb_range-to-flush-page-walk-cache.patch
powerpc-mm-enable-have_move_pmd-support.patch