From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Rapoport Subject: [PATCH 16/21] mm: remove early_pfn_in_nid() and CONFIG_NODES_SPAN_OTHER_NODES Date: Sun, 12 Apr 2020 22:48:54 +0300 Message-ID: <20200412194859.12663-17-rppt@kernel.org> References: <20200412194859.12663-1-rppt@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-Id:Date :Subject:To:From:Reply-To:Content-Type:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=XHKRuwu/UHCKXfJrauoBbYTW2DF86cgBNGnIoW78kYk=; b=UStrYOmQVI6/yI wBPc8R+Kz5VaHpgxUVs8f3jdGTsWMA7v0b14SGe/+uEsSnihppRp36qj0AnYYqlK13L/zXBiK7IEY ScfxcKvwgbZRx8B66kmXV9jZCKogQBBAj/KLotjC03h5Ntoyw1BH8uVt5/zds2bUHfl5eY4vegAlq INRqN2DkSsw3y79t/xy0qVQVHYiGWwSt2DCu6JGLyE15L/GuPMCcpOkkBBRpIaYjFrGQ8sGzg8qlm 8LEHgJYwbXRe+g1ChL4PDSBoLM7YH7wICFtUPp3wM2PJ3ye9Ht9y+4uZ4X8lN4vxwwmHmki7dVOSd u5xlRn56vmhZMpg5Hl7w==; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586721194; bh=nEezDuYPrNGySP7PnHuBNeWVQ3iqW/JGlzugpGYmfY8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pnkldm2oDlqr9oO7wOAI8bTwsBY50wRGFSAd47P/YtXRCzHi6GWUhgfp/zwFQLYzw zWIBhE+X9YAJ393R4RkLU8WpvdiRP5OY4aD3pxu2mKu7E7vD8dfSlXMCqKgfpurml0 +0NjvhVHhNVm3F9zjsYQzPPihK7SQy/w43T9HrUo= In-Reply-To: <20200412194859.12663-1-rppt@kernel.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+glpr-linux-riscv=m.gmane-mx.org@lists.infradead.org Content-Type: text/plain; charset="us-ascii" To: linux-kernel@vger.kernel.org Cc: Rich Felker , linux-ia64@vger.kernel.org, linux-doc@vger.kernel.org, Catalin Marinas , Heiko Carstens , Michal Hocko , "James E.J. Bottomley" , Max Filippov , Guo Ren , linux-csky@vger.kernel.org, linux-parisc@vger.kernel.org, sparclinux@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-riscv@lists.infradead.org, Mike Rapoport , Greg Ungerer , linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Baoquan He , Jonathan Corbet , linux-sh@vger.kernel.org, Michael Ellerman , Helge Deller , x86@kernel.org, Russell King , Ley Foon Tan From: Mike Rapoport The commit f47ac088c406 ("mm: memmap_init: iterate over memblock regions rather that check each PFN") made early_pfn_in_nid() obsolete and since CONFIG_NODES_SPAN_OTHER_NODES is only used to pick a stub or a real implementation of early_pfn_in_nid() it is also not needed anymore. Remove both early_pfn_in_nid() and the CONFIG_NODES_SPAN_OTHER_NODES. Co-developed-by: Hoan Tran Signed-off-by: Hoan Tran Signed-off-by: Mike Rapoport --- arch/powerpc/Kconfig | 9 --------- arch/sparc/Kconfig | 9 --------- arch/x86/Kconfig | 9 --------- mm/page_alloc.c | 20 -------------------- 4 files changed, 47 deletions(-) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 5f86b22b7d2c..74f316deeae1 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -685,15 +685,6 @@ config ARCH_MEMORY_PROBE def_bool y depends on MEMORY_HOTPLUG -# Some NUMA nodes have memory ranges that span -# other nodes. Even though a pfn is valid and -# between a node's start and end pfns, it may not -# reside on that node. See memmap_init_zone() -# for details. -config NODES_SPAN_OTHER_NODES - def_bool y - depends on NEED_MULTIPLE_NODES - config STDBINUTILS bool "Using standard binutils settings" depends on 44x diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 795206b7b552..0e4f3891b904 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -286,15 +286,6 @@ config NODES_SHIFT Specify the maximum number of NUMA Nodes available on the target system. Increases memory reserved to accommodate various tables. -# Some NUMA nodes have memory ranges that span -# other nodes. Even though a pfn is valid and -# between a node's start and end pfns, it may not -# reside on that node. See memmap_init_zone() -# for details. -config NODES_SPAN_OTHER_NODES - def_bool y - depends on NEED_MULTIPLE_NODES - config ARCH_SPARSEMEM_ENABLE def_bool y if SPARC64 select SPARSEMEM_VMEMMAP_ENABLE diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 9d3e95b4fb85..37dac095659e 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1581,15 +1581,6 @@ config X86_64_ACPI_NUMA ---help--- Enable ACPI SRAT based node topology detection. -# Some NUMA nodes have memory ranges that span -# other nodes. Even though a pfn is valid and -# between a node's start and end pfns, it may not -# reside on that node. See memmap_init_zone() -# for details. -config NODES_SPAN_OTHER_NODES - def_bool y - depends on X86_64_ACPI_NUMA - config NUMA_EMU bool "NUMA emulation" depends on NUMA diff --git a/mm/page_alloc.c b/mm/page_alloc.c index c43ce8709457..343d87b8697d 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1541,26 +1541,6 @@ int __meminit early_pfn_to_nid(unsigned long pfn) } #endif /* CONFIG_NEED_MULTIPLE_NODES */ -#ifdef CONFIG_NODES_SPAN_OTHER_NODES -/* Only safe to use early in boot when initialisation is single-threaded */ -static inline bool __meminit early_pfn_in_nid(unsigned long pfn, int node) -{ - int nid; - - nid = __early_pfn_to_nid(pfn, &early_pfnnid_cache); - if (nid >= 0 && nid != node) - return false; - return true; -} - -#else -static inline bool __meminit early_pfn_in_nid(unsigned long pfn, int node) -{ - return true; -} -#endif - - void __init memblock_free_pages(struct page *page, unsigned long pfn, unsigned int order) { -- 2.25.1