+ mm-futex-fix-shared-futex-pgoff-on-shmem-huge-page-fix.patch added to -mm tree

+ mm-futex-fix-shared-futex-pgoff-on-shmem-huge-page-fix.patch added to -mm tree

[akpm]

The patch titled
     Subject: mm-futex-fix-shared-futex-pgoff-on-shmem-huge-page-fix
has been added to the -mm tree.  Its filename is
     mm-futex-fix-shared-futex-pgoff-on-shmem-huge-page-fix.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-futex-fix-shared-futex-pgoff-on-shmem-huge-page-fix.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-futex-fix-shared-futex-pgoff-on-shmem-huge-page-fix.patch

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------------------------------------------------------
From: Andrew Morton <akpm@linux-foundation.org>
Subject: mm-futex-fix-shared-futex-pgoff-on-shmem-huge-page-fix

give hugetlb_basepage_index() prototype the correct scope

Cc: Darren Hart <dvhart@infradead.org>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Hugh Dickins <hughd@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Neel Natu <neelnatu@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Zhang Yi <wetpzy@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/pagemap.h |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/include/linux/pagemap.h~mm-futex-fix-shared-futex-pgoff-on-shmem-huge-page-fix
+++ a/include/linux/pagemap.h
@@ -535,16 +535,16 @@ static inline pgoff_t page_to_index(stru
 	return pgoff;
 }
 
+extern pgoff_t hugetlb_basepage_index(struct page *page);
+
 /*
  * Get the offset in PAGE_SIZE (even for hugetlb pages).
  * (TODO: hugetlb pages should have ->index in PAGE_SIZE)
  */
 static inline pgoff_t page_to_pgoff(struct page *page)
 {
-	if (unlikely(PageHuge(page))) {
-		extern pgoff_t hugetlb_basepage_index(struct page *page);
+	if (unlikely(PageHuge(page)))
 		return hugetlb_basepage_index(page);
-	}
 	return page_to_index(page);
 }
 
_

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

mm-slubc-include-swabh.patch
mm-vmalloc-add-vmalloc_no_huge-fix.patch
mm-futex-fix-shared-futex-pgoff-on-shmem-huge-page-fix.patch
mm.patch
mm-slub-kunit-add-a-kunit-test-for-slub-debugging-functionality-fix-2.patch
slub-force-on-no_hash_pointers-when-slub_debug-is-enabled-fix.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
binfmt-remove-in-tree-usage-of-map_executable-fix.patch
mm-mmap-introduce-unlock_range-for-code-cleanup-fix.patch
lazy-tlb-allow-lazy-tlb-mm-refcounting-to-be-configurable-fix.patch
mm-page_alloc-convert-per-cpu-list-protection-to-local_lock-fix-checkpatch-fixes.patch
mm-memory-failure-use-a-mutex-to-avoid-memory_failure-races-fix.patch
mm-memory_hotplug-disable-memmap_on_memory-when-hugetlb_free_vmemmap-enabled-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
mmmemory_hotplug-drop-unneeded-locking-fix.patch
fs-proc-kcorec-add-mmap-interface-fix.patch
kernelh-split-out-panic-and-oops-helpers-fix.patch
lib-math-rational-add-kunit-test-cases-fix.patch
lib-decompressors-remove-set-but-not-used-variabled-level-fix.patch
ipc-utilc-use-binary-search-for-max_idx-fix.patch
linux-next-pre.patch
linux-next-post.patch
linux-next-rejects.patch
mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix.patch
module-add-printk-formats-to-add-module-build-id-to-stacktraces-fix.patch
module-add-printk-formats-to-add-module-build-id-to-stacktraces-fix-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch