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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2015-02-12 00:26:47 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-12 02:06:04 +0100
commit8aa76875dc15b2dd21fa74eb7c12dc3c75f4b6b6 (patch)
treef7a106df217482745d338eeaa7033b7dcb7646af /mm/oom_kill.c
parentmm, asm-generic: define PUD_SHIFT in <asm-generic/4level-fixup.h> (diff)
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arm: define __PAGETABLE_PMD_FOLDED for !LPAE
ARM uses custom implementation of PMD folding in 2-level page table case. Generic code expects to see __PAGETABLE_PMD_FOLDED to be defined if PMD is folded, but ARM doesn't do this. Let's fix it. Defining __PAGETABLE_PMD_FOLDED will drop out unused __pmd_alloc(). It also fixes problems with recently-introduced pmd accounting on ARM without LPAE. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Reported-by: Nishanth Menon <nm@ti.com> Reported-by: Simon Horman <horms@verge.net.au> Tested-by: Simon Horman <horms+renesas@verge.net.au> Tested-by: Fabio Estevam <festevam@gmail.com> Tested-by: Felipe Balbi <balbi@ti.com> Tested-by: Nishanth Menon <nm@ti.com> Tested-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Tested-by: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Hugh Dickins <hughd@google.com> Cc: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Pavel Emelyanov <xemul@openvz.org> Cc: David Rientjes <rientjes@google.com> Cc: Russell King <linux@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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