mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
synced 2025-01-17 05:45:20 +00:00
46bcce5031
Every architecture that supports NUMA defines node_data in the same way: struct pglist_data *node_data[MAX_NUMNODES]; No reason to keep multiple copies of this definition and its forward declarations, especially when such forward declaration is the only thing in include/asm/mmzone.h for many architectures. Add definition and declaration of node_data to generic code and drop architecture-specific versions. Link: https://lkml.kernel.org/r/20240807064110.1003856-8-rppt@kernel.org Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org> Acked-by: David Hildenbrand <david@redhat.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Acked-by: Davidlohr Bueso <dave@stgolabs.net> Tested-by: Zi Yan <ziy@nvidia.com> # for x86_64 and arm64 Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> [arm64 + CXL via QEMU] Acked-by: Dan Williams <dan.j.williams@intel.com> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Andreas Larsson <andreas@gaisler.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: David S. Miller <davem@davemloft.net> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiaxun Yang <jiaxun.yang@flygoat.com> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Rafael J. Wysocki <rafael@kernel.org> Cc: Rob Herring (Arm) <robh@kernel.org> Cc: Samuel Holland <samuel.holland@sifive.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
33 lines
746 B
C
33 lines
746 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* NUMA support for s390
|
|
*
|
|
* Implement NUMA core code.
|
|
*
|
|
* Copyright IBM Corp. 2015
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/mmzone.h>
|
|
#include <linux/cpumask.h>
|
|
#include <linux/memblock.h>
|
|
#include <linux/node.h>
|
|
#include <asm/numa.h>
|
|
|
|
void __init numa_setup(void)
|
|
{
|
|
int nid;
|
|
|
|
nodes_clear(node_possible_map);
|
|
node_set(0, node_possible_map);
|
|
node_set_online(0);
|
|
for (nid = 0; nid < MAX_NUMNODES; nid++) {
|
|
NODE_DATA(nid) = memblock_alloc(sizeof(pg_data_t), 8);
|
|
if (!NODE_DATA(nid))
|
|
panic("%s: Failed to allocate %zu bytes align=0x%x\n",
|
|
__func__, sizeof(pg_data_t), 8);
|
|
}
|
|
NODE_DATA(0)->node_spanned_pages = memblock_end_of_DRAM() >> PAGE_SHIFT;
|
|
NODE_DATA(0)->node_id = 0;
|
|
}
|