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ARM is the only architecture that defines CONFIG_ARCH_HAS_HOLES_MEMORYMODEL which in turn enables memmap_valid_within() function that is intended to verify existence of struct page associated with a pfn when there are holes in the memory map. However, the ARCH_HAS_HOLES_MEMORYMODEL also enables HAVE_ARCH_PFN_VALID and arch-specific pfn_valid() implementation that also deals with the holes in the memory map. The only two users of memmap_valid_within() call this function after a call to pfn_valid() so the memmap_valid_within() check becomes redundant. Remove CONFIG_ARCH_HAS_HOLES_MEMORYMODEL and memmap_valid_within() and rely entirely on ARM's implementation of pfn_valid() that is now enabled unconditionally. Link: https://lkml.kernel.org/r/20201101170454.9567-9-rppt@kernel.org Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Matt Turner <mattst88@gmail.com> Cc: Meelis Roos <mroos@linux.ee> Cc: Michael Schmitz <schmitzmic@gmail.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Tony Luck <tony.luck@intel.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| .. | ||
| include/mach | ||
| asp.h | ||
| board-da830-evm.c | ||
| board-da850-evm.c | ||
| board-dm355-evm.c | ||
| board-dm355-leopard.c | ||
| board-dm365-evm.c | ||
| board-dm644x-evm.c | ||
| board-dm646x-evm.c | ||
| board-mityomapl138.c | ||
| board-neuros-osd2.c | ||
| board-omapl138-hawk.c | ||
| board-sffsdr.c | ||
| clock.h | ||
| common.c | ||
| cpuidle.c | ||
| cpuidle.h | ||
| da8xx-dt.c | ||
| da830.c | ||
| da850.c | ||
| davinci.h | ||
| ddr2.h | ||
| devices-da8xx.c | ||
| devices.c | ||
| dm355.c | ||
| dm365.c | ||
| dm644x.c | ||
| dm646x.c | ||
| irqs.h | ||
| Kconfig | ||
| Makefile | ||
| Makefile.boot | ||
| mux.c | ||
| mux.h | ||
| pdata-quirks.c | ||
| pm_domain.c | ||
| pm.c | ||
| psc.h | ||
| serial.c | ||
| sleep.S | ||
| sram.c | ||
| sram.h | ||
| usb-da8xx.c | ||
| usb.c | ||