[PATCH 2/6] mm: Generalize SYS_SUPPORTS_HUGETLBFS (rename as ARCH_SUPPORTS_HUGETLBFS)

SYS_SUPPORTS_HUGETLBFS config has duplicate definitions on platforms that subscribe it. Instead, just make it a generic option which can be selected on applicable platforms. Also rename it as ARCH_SUPPORTS_HUGETLBFS instead. This reduces code duplication and makes it cleaner. Cc: Russell King Cc:

[PATCH 0/6] mm: some config cleanups

This series contains config cleanup patches which reduces code duplication across platforms and also improves maintainability. There is no functional change intended with this series. This has been boot tested on arm64 but only build tested on some other platforms. This applies on 5.12-rc2 Cc: x.

[PATCH 3/6] mm: Generalize ARCH_ENABLE_MEMORY_[HOTPLUG|HOTREMOVE]

ARCH_ENABLE_MEMORY_[HOTPLUG|HOTREMOVE] configs have duplicate definitions on platforms that subscribe them. Instead, just make them generic options which can be selected on applicable platforms. Cc: Catalin Marinas Cc: Will Deacon Cc: Michael Ellerman Cc: Benjamin Herrenschmidt Cc: Paul Macker

[PATCH 5/6] mm: Drop redundant ARCH_ENABLE_SPLIT_PMD_PTLOCK

ARCH_ENABLE_SPLIT_PMD_PTLOCKS has duplicate definitions on platforms that subscribe it. Drop these reduntant definitions and instead just select it on applicable platforms. Cc: Catalin Marinas Cc: Will Deacon Cc: Michael Ellerman Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Heiko Carsten

[PATCH 1/6] mm: Generalize ARCH_HAS_CACHE_LINE_SIZE

ARCH_HAS_CACHE_LINE_SIZE config has duplicate definitions on platforms that subscribe it. Instead, just make it a generic option which can be selected on applicable platforms. This change reduces code duplication and makes it cleaner. Cc: Vineet Gupta Cc: Catalin Marinas Cc: Will Deacon Cc: Tho

[PATCH 4/6] mm: Drop redundant ARCH_ENABLE_[HUGEPAGE|THP]_MIGRATION

ARCH_ENABLE_[HUGEPAGE|THP]_MIGRATION configs have duplicate definitions on platforms that subscribe them. Drop these reduntant definitions and instead just select them appropriately. Cc: Catalin Marinas Cc: Will Deacon Cc: Michael Ellerman Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Tho

[PATCH 6/6] mm: Drop redundant HAVE_ARCH_TRANSPARENT_HUGEPAGE

HAVE_ARCH_TRANSPARENT_HUGEPAGE has duplicate definitions on platforms that subscribe it. Drop these reduntant definitions and instead just select it on applicable platforms. Cc: Vineet Gupta Cc: Russell King Cc: Arnd Bergmann Cc: linux-snps-arc@lists.infradead.org Cc: linux-arm-ker...@lists.inf