[PATCH 0/3] mm/hugetlb: Add some new arch enabling macros

[Anshuman Khandual]

This series adds two macros which platforms can enable to override generic
fallback definitions. Before that it drops __HAVE_ARCH_HUGE_PTEP_GET from
arm64 platform.

1. HAVE_ARCH_IS_HUGEPAGE_ONLY_RANGE - is_hugepage_only_range()
2. HAVE_ARCH_CLEAR_HUGEPAGE_FLAGS   - arch_clear_hugepage_flags()

This has been boot tested on arm64 and x86 platforms but built tested on
some more platforms including the changed ones here. This series applies
on v5.7-rc1. After this arm (32 bit) remains the sole platform defining
it's own huge_ptep_get() via __HAVE_ARCH_HUGE_PTEP_GET.

Cc: Russell King <linux at armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas at arm.com>
Cc: Will Deacon <will at kernel.org>
Cc: Tony Luck <tony.luck at intel.com>
Cc: Fenghua Yu <fenghua.yu at intel.com>
Cc: Thomas Bogendoerfer <tsbogend at alpha.franken.de>
Cc: "James E.J. Bottomley" <James.Bottomley at HansenPartnership.com>
Cc: Helge Deller <deller at gmx.de>
Cc: Benjamin Herrenschmidt <benh at kernel.crashing.org>
Cc: Paul Mackerras <paulus at samba.org>
Cc: Michael Ellerman <mpe at ellerman.id.au>
Cc: Paul Walmsley <paul.walmsley at sifive.com>
Cc: Palmer Dabbelt <palmer at dabbelt.com>
Cc: Heiko Carstens <heiko.carstens at de.ibm.com>
Cc: Vasily Gorbik <gor at linux.ibm.com>
Cc: Christian Borntraeger <borntraeger at de.ibm.com>
Cc: Yoshinori Sato <ysato at users.sourceforge.jp>
Cc: Rich Felker <dalias at libc.org>
Cc: "David S. Miller" <davem at davemloft.net>
Cc: Thomas Gleixner <tglx at linutronix.de>
Cc: Ingo Molnar <mingo at redhat.com>
Cc: Borislav Petkov <bp at alien8.de>
Cc: "H. Peter Anvin" <hpa at zytor.com>
Cc: Mike Kravetz <mike.kravetz at oracle.com>
Cc: x86 at kernel.org
Cc: linux-arm-kernel at lists.infradead.org
Cc: linux-ia64 at vger.kernel.org
Cc: linux-mips at vger.kernel.org
Cc: linux-parisc at vger.kernel.org
Cc: linuxppc-dev at lists.ozlabs.org
Cc: linux-riscv at lists.infradead.org
Cc: linux-s390 at vger.kernel.org
Cc: linux-sh at vger.kernel.org
Cc: sparclinux at vger.kernel.org
Cc: linux-mm at kvack.org
Cc: linux-arch at vger.kernel.org
Cc: linux-kernel at vger.kernel.org

Anshuman Khandual (3):
  arm64/mm: Drop __HAVE_ARCH_HUGE_PTEP_GET
  mm/hugetlb: Introduce HAVE_ARCH_IS_HUGEPAGE_ONLY_RANGE
  mm/hugetlb: Introduce HAVE_ARCH_CLEAR_HUGEPAGE_FLAGS

 arch/arm/include/asm/hugetlb.h     |  7 +------
 arch/arm64/include/asm/hugetlb.h   | 13 +------------
 arch/ia64/include/asm/hugetlb.h    |  5 +----
 arch/mips/include/asm/hugetlb.h    | 11 -----------
 arch/parisc/include/asm/hugetlb.h  | 10 ----------
 arch/powerpc/include/asm/hugetlb.h |  5 +----
 arch/riscv/include/asm/hugetlb.h   | 10 ----------
 arch/s390/include/asm/hugetlb.h    |  8 +-------
 arch/sh/include/asm/hugetlb.h      |  7 +------
 arch/sparc/include/asm/hugetlb.h   | 10 ----------
 arch/x86/include/asm/hugetlb.h     | 10 ----------
 include/linux/hugetlb.h            | 12 ++++++++++++
 12 files changed, 18 insertions(+), 90 deletions(-)

-- 
2.20.1