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-rw-r--r--mm/memblock.c19
-rw-r--r--mm/numa_emulation.c4
-rw-r--r--mm/numa_memblks.c6
3 files changed, 18 insertions, 11 deletions
diff --git a/mm/memblock.c b/mm/memblock.c
index 154f1d73b61f..117d963e677c 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -780,9 +780,9 @@ bool __init_memblock memblock_validate_numa_coverage(unsigned long threshold_byt
}
if ((nr_pages << PAGE_SHIFT) > threshold_bytes) {
- mem_size_mb = memblock_phys_mem_size() >> 20;
+ mem_size_mb = memblock_phys_mem_size() / SZ_1M;
pr_err("NUMA: no nodes coverage for %luMB of %luMB RAM\n",
- (nr_pages << PAGE_SHIFT) >> 20, mem_size_mb);
+ (nr_pages << PAGE_SHIFT) / SZ_1M, mem_size_mb);
return false;
}
@@ -1091,13 +1091,20 @@ int __init_memblock memblock_clear_nomap(phys_addr_t base, phys_addr_t size)
/**
* memblock_reserved_mark_noinit - Mark a reserved memory region with flag
- * MEMBLOCK_RSRV_NOINIT which results in the struct pages not being initialized
- * for this region.
+ * MEMBLOCK_RSRV_NOINIT
+ *
* @base: the base phys addr of the region
* @size: the size of the region
*
- * struct pages will not be initialized for reserved memory regions marked with
- * %MEMBLOCK_RSRV_NOINIT.
+ * The struct pages for the reserved regions marked %MEMBLOCK_RSRV_NOINIT will
+ * not be fully initialized to allow the caller optimize their initialization.
+ *
+ * When %CONFIG_DEFERRED_STRUCT_PAGE_INIT is enabled, setting this flag
+ * completely bypasses the initialization of struct pages for such region.
+ *
+ * When %CONFIG_DEFERRED_STRUCT_PAGE_INIT is disabled, struct pages in this
+ * region will be initialized with default values but won't be marked as
+ * reserved.
*
* Return: 0 on success, -errno on failure.
*/
diff --git a/mm/numa_emulation.c b/mm/numa_emulation.c
index 9d55679d99ce..703c8fa05048 100644
--- a/mm/numa_emulation.c
+++ b/mm/numa_emulation.c
@@ -73,7 +73,7 @@ static int __init emu_setup_memblk(struct numa_meminfo *ei,
}
printk(KERN_INFO "Faking node %d at [mem %#018Lx-%#018Lx] (%LuMB)\n",
- nid, eb->start, eb->end - 1, (eb->end - eb->start) >> 20);
+ nid, eb->start, eb->end - 1, (eb->end - eb->start) / SZ_1M);
return 0;
}
@@ -264,7 +264,7 @@ static int __init split_nodes_size_interleave_uniform(struct numa_meminfo *ei,
min_size = ALIGN(max(min_size, FAKE_NODE_MIN_SIZE), FAKE_NODE_MIN_SIZE);
if (size < min_size) {
pr_err("Fake node size %LuMB too small, increasing to %LuMB\n",
- size >> 20, min_size >> 20);
+ size / SZ_1M, min_size / SZ_1M);
size = min_size;
}
size = ALIGN_DOWN(size, FAKE_NODE_MIN_SIZE);
diff --git a/mm/numa_memblks.c b/mm/numa_memblks.c
index 541a99c4071a..5b009a9cd8b4 100644
--- a/mm/numa_memblks.c
+++ b/mm/numa_memblks.c
@@ -76,7 +76,7 @@ static int __init numa_alloc_distance(void)
for (j = 0; j < cnt; j++)
numa_distance[i * cnt + j] = i == j ?
LOCAL_DISTANCE : REMOTE_DISTANCE;
- printk(KERN_DEBUG "NUMA: Initialized distance table, cnt=%d\n", cnt);
+ pr_debug("NUMA: Initialized distance table, cnt=%d\n", cnt);
return 0;
}
@@ -427,9 +427,9 @@ static int __init numa_register_meminfo(struct numa_meminfo *mi)
unsigned long pfn_align = node_map_pfn_alignment();
if (pfn_align && pfn_align < PAGES_PER_SECTION) {
- unsigned long node_align_mb = PFN_PHYS(pfn_align) >> 20;
+ unsigned long node_align_mb = PFN_PHYS(pfn_align) / SZ_1M;
- unsigned long sect_align_mb = PFN_PHYS(PAGES_PER_SECTION) >> 20;
+ unsigned long sect_align_mb = PFN_PHYS(PAGES_PER_SECTION) / SZ_1M;
pr_warn("Node alignment %luMB < min %luMB, rejecting NUMA config\n",
node_align_mb, sect_align_mb);