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authorKefeng Wang <wangkefeng.wang@huawei.com>2022-01-20 05:07:49 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-01-20 09:52:52 +0300
commit23f917169ef157aa7a6bf80d8c4aad6f1282852c (patch)
tree2432700cc0a823ccb7a5d47ee1518da5efea2c1e /arch/mips
parent1ca3fb3abd2b615c4b61728de545760a6e2c2d8b (diff)
downloadlinux-23f917169ef157aa7a6bf80d8c4aad6f1282852c.tar.xz
mm: percpu: add generic pcpu_fc_alloc/free funciton
With the previous patch, we could add a generic pcpu first chunk allocate and free function to cleanup the duplicated definations on each architecture. Link: https://lkml.kernel.org/r/20211216112359.103822-4-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Dennis Zhou <dennis@kernel.org> Cc: Tejun Heo <tj@kernel.org> Cc: Christoph Lameter <cl@linux.com> Cc: Albert Ou <aou@eecs.berkeley.edu> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/mm/init.c16
1 files changed, 1 insertions, 15 deletions
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 1d8f2844704c..5a8002839550 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -524,19 +524,6 @@ static int __init pcpu_cpu_to_node(int cpu)
return cpu_to_node(cpu);
}
-static void * __init pcpu_fc_alloc(unsigned int cpu, size_t size, size_t align,
- pcpu_fc_cpu_to_node_fn_t cpu_to_nd_fn)
-{
- return memblock_alloc_try_nid(size, align, __pa(MAX_DMA_ADDRESS),
- MEMBLOCK_ALLOC_ACCESSIBLE,
- cpu_to_nd_fn(cpu));
-}
-
-static void __init pcpu_fc_free(void *ptr, size_t size)
-{
- memblock_free(ptr, size);
-}
-
void __init setup_per_cpu_areas(void)
{
unsigned long delta;
@@ -550,8 +537,7 @@ void __init setup_per_cpu_areas(void)
rc = pcpu_embed_first_chunk(PERCPU_MODULE_RESERVE,
PERCPU_DYNAMIC_RESERVE, PAGE_SIZE,
pcpu_cpu_distance,
- pcpu_cpu_to_node,
- pcpu_fc_alloc, pcpu_fc_free);
+ pcpu_cpu_to_node);
if (rc < 0)
panic("Failed to initialize percpu areas.");