The patch titled
fix-corruption-of-memmap-on-ia64-sparsemem-when-mem_section-is-not-a-power-of-2 fix
has been added to the -mm tree. Its filename is
fix-corruption-of-memmap-on-ia64-sparsemem-when-mem_section-is-not-a-power-of-2-fix.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: fix-corruption-of-memmap-on-ia64-sparsemem-when-mem_section-is-not-a-power-of-2 fix
From: William Lee Irwin III <wli@xxxxxxxxxxxxxx>
CONFIG_SPARSEMEM sans CONFIG_MEMORY_HOTPLUG trips the following warning:
mm/sparse.c:254: warning: '__kmalloc_section_usemap' defined but not used
The following patch silences it.
Signed-off-by: William Irwin <bill.irwin@xxxxxxxxxx>
Cc: Bob Picco <bob.picco@xxxxxx>
Cc: Andy Whitcroft <apw@xxxxxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Cc: "Luck, Tony" <tony.luck@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/sparse.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN mm/sparse.c~fix-corruption-of-memmap-on-ia64-sparsemem-when-mem_section-is-not-a-power-of-2-fix mm/sparse.c
--- a/mm/sparse.c~fix-corruption-of-memmap-on-ia64-sparsemem-when-mem_section-is-not-a-power-of-2-fix
+++ a/mm/sparse.c
@@ -250,10 +250,12 @@ static unsigned long usemap_size(void)
return size_bytes;
}
+#ifdef CONFIG_MEMORY_HOTPLUG
static unsigned long *__kmalloc_section_usemap(void)
{
return kmalloc(usemap_size(), GFP_KERNEL);
}
+#endif /* CONFIG_MEMORY_HOTPLUG */
static unsigned long *sparse_early_usemap_alloc(unsigned long pnum)
{
_
Patches currently in -mm which might be from wli@xxxxxxxxxxxxxx are
quicklist-support-for-x86_64.patch
x86_64-support-poll-on-dev-mcelog-fix.patch
rework-ptep_set_access_flags-and-fix-sun4c.patch
fix-corruption-of-memmap-on-ia64-sparsemem-when-mem_section-is-not-a-power-of-2-fix.patch
only-allow-nonlinear-vmas-for-ram-backed-filesystems.patch
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