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authorNaoya Horiguchi <n-horiguchi@ah.jp.nec.com>2015-02-11 15:28:03 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-11 17:06:06 -0800
commit6f4576e3687b1f93145b89fce49d6a8fec9e7dc2 (patch)
treef84dfb7f9496634082ef6d37fda4cb759f24f415 /mm/pagewalk.c
parent1757bbd9c5918a9c1a8757141763a23f2e446caa (diff)
mempolicy: apply page table walker on queue_pages_range()
queue_pages_range() does page table walking in its own way now, but there is some code duplicate. This patch applies page table walker to reduce lines of code. queue_pages_range() has to do some precheck to determine whether we really walk over the vma or just skip it. Now we have test_walk() callback in mm_walk for this purpose, so we can do this replacement cleanly. queue_pages_test_walk() depends on not only the current vma but also the previous one, so queue_pages->prev is introduced to remember it. Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Pavel Emelyanov <xemul@parallels.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/pagewalk.c')
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