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Open Source and information security mailing list archives
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Date: Thu, 23 Sep 2021 10:43:33 +0300 From: Mike Rapoport <rppt@...nel.org> To: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Andrew Morton <akpm@...ux-foundation.org>, devicetree@...r.kernel.org, iommu@...ts.linux-foundation.org, kasan-dev@...glegroups.com, kvm@...r.kernel.org, linux-alpha@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-efi@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org, linux-mm@...ck.org, linux-riscv@...ts.infradead.org, linux-s390@...r.kernel.org, linux-sh@...r.kernel.org, linux-snps-arc@...ts.infradead.org, linux-um@...ts.infradead.org, linux-usb@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, sparclinux@...r.kernel.org, xen-devel@...ts.xenproject.org, Mike Rapoport <rppt@...ux.ibm.com> Subject: [PATCH 1/3] arch_numa: simplify numa_distance allocation From: Mike Rapoport <rppt@...ux.ibm.com> Memory allocation of numa_distance uses memblock_phys_alloc_range() without actual range limits, converts the returned physical address to virtual and then only uses the virtual address for further initialization. Simplify this by replacing memblock_phys_alloc_range() with memblock_alloc(). Signed-off-by: Mike Rapoport <rppt@...ux.ibm.com> --- drivers/base/arch_numa.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/base/arch_numa.c b/drivers/base/arch_numa.c index 00fb4120a5b3..f6d0efd01188 100644 --- a/drivers/base/arch_numa.c +++ b/drivers/base/arch_numa.c @@ -275,15 +275,13 @@ void __init numa_free_distance(void) static int __init numa_alloc_distance(void) { size_t size; - u64 phys; int i, j; size = nr_node_ids * nr_node_ids * sizeof(numa_distance[0]); - phys = memblock_phys_alloc_range(size, PAGE_SIZE, 0, PFN_PHYS(max_pfn)); - if (WARN_ON(!phys)) + numa_distance = memblock_alloc(size, PAGE_SIZE); + if (WARN_ON(!numa_distance)) return -ENOMEM; - numa_distance = __va(phys); numa_distance_cnt = nr_node_ids; /* fill with the default distances */ -- 2.28.0
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