diff options
| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2022-01-19 18:07:45 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-01-20 08:52:52 +0200 |
| commit | 1ca3fb3abd2b615c4b61728de545760a6e2c2d8b (patch) | |
| tree | 786e58bc6542748f23b46062bba2c76a2a33dbd3 /arch/mips | |
| parent | 7ecd19cfdfcbb625cc059dfa5b267d2436732c1c (diff) | |
| download | linux-1ca3fb3abd2b615c4b61728de545760a6e2c2d8b.tar.bz2 | |
mm: percpu: add pcpu_fc_cpu_to_node_fn_t typedef
Add pcpu_fc_cpu_to_node_fn_t and pass it into pcpu_fc_alloc_fn_t, pcpu
first chunk allocation will call it to alloc memblock on the
corresponding node by it, this is prepare for the next patch.
Link: https://lkml.kernel.org/r/20211216112359.103822-3-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: "Rafael J. Wysocki" <rafael@kernel.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: 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.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 325e1552cbea..1d8f2844704c 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -519,12 +519,17 @@ static int __init pcpu_cpu_distance(unsigned int from, unsigned int to) return node_distance(cpu_to_node(from), cpu_to_node(to)); } -static void * __init pcpu_fc_alloc(unsigned int cpu, size_t size, - size_t align) +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_node(cpu)); + cpu_to_nd_fn(cpu)); } static void __init pcpu_fc_free(void *ptr, size_t size) @@ -545,6 +550,7 @@ 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); if (rc < 0) panic("Failed to initialize percpu areas."); |