[merged] mm-sparse-fix-typo-in-online_mem_sections.patch removed from -mm tree

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The patch titled
     Subject: mm/sparse.c: fix typo in online_mem_sections
has been removed from the -mm tree.  Its filename was
     mm-sparse-fix-typo-in-online_mem_sections.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Michal Hocko <mhocko@xxxxxxxx>
Subject: mm/sparse.c: fix typo in online_mem_sections

online_mem_sections() accidentally marks online only the first section in
the given range.  This is a typo which hasn't been noticed because I
haven't tested large 2GB blocks previously.  All users of
pfn_to_online_page would get confused on the the rest of the pfn range in
the block.

All we need to fix this is to use iterator (pfn) rather than start_pfn.

Link: http://lkml.kernel.org/r/20170904112210.3401-1-mhocko@xxxxxxxxxx
Fixes: 2d070eab2e82 ("mm: consider zone which is not fully populated to have holes")
Signed-off-by: Michal Hocko <mhocko@xxxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Anshuman Khandual <khandual@xxxxxxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/sparse.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN mm/sparse.c~mm-sparse-fix-typo-in-online_mem_sections mm/sparse.c
--- a/mm/sparse.c~mm-sparse-fix-typo-in-online_mem_sections
+++ a/mm/sparse.c
@@ -626,7 +626,7 @@ void online_mem_sections(unsigned long s
 	unsigned long pfn;
 
 	for (pfn = start_pfn; pfn < end_pfn; pfn += PAGES_PER_SECTION) {
-		unsigned long section_nr = pfn_to_section_nr(start_pfn);
+		unsigned long section_nr = pfn_to_section_nr(pfn);
 		struct mem_section *ms;
 
 		/* onlining code should never touch invalid ranges */
_

Patches currently in -mm which might be from mhocko@xxxxxxxx are

mm-memory_hotplug-do-not-back-off-draining-pcp-free-pages-from-kworker-context.patch
treewide-remove-gfp_temporary-allocation-flag.patch




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