+ mm-pgtable-add-stubs-for-pmd-pub_set-clear_huge-fix.patch added to -mm tree

* + mm-pgtable-add-stubs-for-pmd-pub_set-clear_huge-fix.patch added to -mm tree
@ 2021-05-13 20:48 akpm
  0 siblings, 0 replies; 2+ messages in thread
From: akpm @ 2021-05-13 20:48 UTC (permalink / raw)
  To: akpm, christophe.leroy, mm-commits, rdunlap, sfr


The patch titled
     Subject: mm-pgtable-add-stubs-for-pmd-pub_set-clear_huge-fix
has been added to the -mm tree.  Its filename is
     mm-pgtable-add-stubs-for-pmd-pub_set-clear_huge-fix.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-pgtable-add-stubs-for-pmd-pub_set-clear_huge-fix.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-pgtable-add-stubs-for-pmd-pub_set-clear_huge-fix.patch

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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next and is updated
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------------------------------------------------------
From: Andrew Morton <akpm@linux-foundation.org>
Subject: mm-pgtable-add-stubs-for-pmd-pub_set-clear_huge-fix

fix build

Link: https://lkml.kernel.org/r/151ddd7f-1d3e-a6f7-daab-e32f785426e1@infradead.org
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/x86/mm/pgtable.c |   32 +++++++++++++++++---------------
 1 file changed, 17 insertions(+), 15 deletions(-)

--- a/arch/x86/mm/pgtable.c~mm-pgtable-add-stubs-for-pmd-pub_set-clear_huge-fix
+++ a/arch/x86/mm/pgtable.c
@@ -682,6 +682,7 @@ int p4d_clear_huge(p4d_t *p4d)
 }
 #endif
 
+#ifndef __PAGETABLE_PUD_FOLDED
 /**
  * pud_set_huge - setup kernel PUD mapping
  *
@@ -721,6 +722,22 @@ int pud_set_huge(pud_t *pud, phys_addr_t
 }
 
 /**
+ * pud_clear_huge - clear kernel PUD mapping when it is set
+ *
+ * Returns 1 on success and 0 on failure (no PUD map is found).
+ */
+int pud_clear_huge(pud_t *pud)
+{
+	if (pud_large(*pud)) {
+		pud_clear(pud);
+		return 1;
+	}
+
+	return 0;
+}
+#endif
+
+/**
  * pmd_set_huge - setup kernel PMD mapping
  *
  * See text over pud_set_huge() above.
@@ -751,21 +768,6 @@ int pmd_set_huge(pmd_t *pmd, phys_addr_t
 }
 
 /**
- * pud_clear_huge - clear kernel PUD mapping when it is set
- *
- * Returns 1 on success and 0 on failure (no PUD map is found).
- */
-int pud_clear_huge(pud_t *pud)
-{
-	if (pud_large(*pud)) {
-		pud_clear(pud);
-		return 1;
-	}
-
-	return 0;
-}
-
-/**
  * pmd_clear_huge - clear kernel PMD mapping when it is set
  *
  * Returns 1 on success and 0 on failure (no PMD map is found).
_

Patches currently in -mm which might be from akpm@linux-foundation.org are

mm.patch
mm-slub-kunit-add-a-kunit-test-for-slub-debugging-functionality-fix-2.patch
mm-gup-pack-has_pinned-in-mmf_has_pinned-checkpatch-fixes.patch
mm-memcg-optimize-user-context-object-stock-access-checkpatch-fixes.patch
mm-memcg-slab-create-a-new-set-of-kmalloc-cg-n-caches-v5-fix.patch
mm-improve-mprotectrw-efficiency-on-pages-referenced-once-fix.patch
binfmt-remove-in-tree-usage-of-map_executable-fix.patch
mm-mmap-introduce-unlock_range-for-code-cleanup-fix.patch
mm-memory_hotplug-disable-memmap_on_memory-when-hugetlb_free_vmemmap-enabled-fix.patch
mm-pgtable-add-stubs-for-pmd-pub_set-clear_huge-fix.patch
nommu-remove-__gfp_highmem-in-vmalloc-vzalloc-checkpatch-fixes.patch
mm-madvise-introduce-madv_populate_readwrite-to-prefault-page-tables-checkpatch-fixes.patch
kernelh-split-out-panic-and-oops-helpers-fix.patch
module-add-printk-formats-to-add-module-build-id-to-stacktraces-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch


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