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authorHonggang Li <enjoymindful@gmail.com>2014-08-12 15:36:15 +0200
committerTejun Heo <tj@kernel.org>2014-08-16 14:59:02 +0200
commit3189eddbcafcc4d827f7f19facbeddec4424eba8 (patch)
tree0cb121567f2368d356f9b8900d852399aba6b842 /mm/vmacache.c
parentpercpu: perform tlb flush after pcpu_map_pages() failure (diff)
downloadlinux-3189eddbcafcc4d827f7f19facbeddec4424eba8.tar.xz
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percpu: free percpu allocation info for uniprocessor system
Currently, only SMP system free the percpu allocation info. Uniprocessor system should free it too. For example, one x86 UML virtual machine with 256MB memory, UML kernel wastes one page memory. Signed-off-by: Honggang Li <enjoymindful@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org
Diffstat (limited to 'mm/vmacache.c')
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