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Merge "mm, page_alloc: Initialize subsection maps for non-NUMA systems"

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qctecmdr 2021-04-19 12:09:46 -07:00 • committed by Gerrit - the friendly Code Review server
commit 0d9fc8f07c
1 changed files with 6 additions and 0 deletions
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6
mm/page_alloc.c
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@ -7032,6 +7032,8 @@ void __init free_area_init_node(int nid, unsigned long *zones_size,
pg_data_t *pgdat = NODE_DATA(nid);
unsigned long start_pfn = 0;
unsigned long end_pfn = 0;
u64 i;
phys_addr_t start, end;
/* pg_data_t should be reset to zero when it's allocated */
WARN_ON(pgdat->nr_zones || pgdat->kswapd_classzone_idx);
@ -7045,6 +7047,10 @@ void __init free_area_init_node(int nid, unsigned long *zones_size,
(u64)start_pfn << PAGE_SHIFT,
end_pfn ? ((u64)end_pfn << PAGE_SHIFT) - 1 : 0);
#else
for_each_mem_range(i, &memblock.memory, NULL, nid, MEMBLOCK_NONE,
&start, &end, NULL)
subsection_map_init((unsigned long)start >> PAGE_SHIFT,
(unsigned long)(end - start) >> PAGE_SHIFT);
start_pfn = node_start_pfn;
#endif
calculate_node_totalpages(pgdat, start_pfn, end_pfn,