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mem_init(): parse NUMA information

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This commit is contained in:
Balazs Gerofi
2016-09-02 16:02:31 +09:00
parent 9b82f1a52c
commit 326a4fcee4
2 changed files with 34 additions and 0 deletions
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26
kernel/mem.c
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@@ -451,6 +451,31 @@ static void page_allocator_init(void)
&query_free_mem_handler); &query_free_mem_handler);
} }
static void numa_init(void)
{
int i;
for (i = 0; i < ihk_mc_get_nr_numa_nodes(); ++i) {
int linux_numa_id, type;
ihk_mc_get_numa_node(i, &linux_numa_id, &type);
kprintf("NUMA %d, Linux NUMA id: %d, type: %d\n",
i, linux_numa_id, type);
}
for (i = 0; i < ihk_mc_get_nr_memory_chunks(); ++i) {
unsigned long start, end;
int linux_numa_id;
ihk_mc_get_memory_chunk(i, &start, &end, &linux_numa_id);
kprintf("Physical memory region: %p - %p @ Linux NUMA id: %d\n",
start, end, linux_numa_id);
}
}
struct page *phys_to_page(uintptr_t phys) struct page *phys_to_page(uintptr_t phys)
{ {
int64_t ix; int64_t ix;
@@ -641,6 +666,7 @@ void ihk_mc_clean_micpa(void){
void mem_init(void) void mem_init(void)
{ {
numa_init();
page_allocator_init(); page_allocator_init();
page_init(); page_init();

8
lib/include/ihk/mm.h
View File

@@ -151,6 +151,14 @@ int ihk_mc_pt_virt_to_phys(struct page_table *pt,
const void *virt, unsigned long *phys); const void *virt, unsigned long *phys);
uint64_t ihk_mc_pt_virt_to_pagemap(struct page_table *pt, unsigned long virt); uint64_t ihk_mc_pt_virt_to_pagemap(struct page_table *pt, unsigned long virt);
int ihk_mc_get_nr_numa_nodes(void);
int ihk_mc_get_numa_node(int id, int *linux_numa_id, int *type);
int ihk_mc_get_nr_memory_chunks(void);
int ihk_mc_get_memory_chunk(int id,
unsigned long *start,
unsigned long *end,
int *linux_numa_id);
void remote_flush_tlb_cpumask(struct process_vm *vm, void remote_flush_tlb_cpumask(struct process_vm *vm,
unsigned long addr, int cpu_id); unsigned long addr, int cpu_id);