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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-21 09:23:55 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-21 09:23:55 +0200
commit33f16b25a091687388152d4b29593a39d819aa22 (patch)
tree34a8ef8acf3f14ca0e4f514756222876d00ff202 /arch/arc/mm/init.c
parent23f87274f0ad4a9167de23a330ed88966634fdf6 (diff)
parentba4f184e126b751d1bffad5897f263108befc780 (diff)
Merge 5.9.0-rc6 into tty-next
We need the tty/serial fixes in here and this resolves a merge issue in the 8250 driver. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arc/mm/init.c')
-rw-r--r--arch/arc/mm/init.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c
index f886ac69d8ad..3a35b82a718e 100644
--- a/arch/arc/mm/init.c
+++ b/arch/arc/mm/init.c
@@ -26,8 +26,8 @@ static unsigned long low_mem_sz;
#ifdef CONFIG_HIGHMEM
static unsigned long min_high_pfn, max_high_pfn;
-static u64 high_mem_start;
-static u64 high_mem_sz;
+static phys_addr_t high_mem_start;
+static phys_addr_t high_mem_sz;
#endif
#ifdef CONFIG_DISCONTIGMEM
@@ -69,6 +69,7 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size)
high_mem_sz = size;
in_use = 1;
memblock_add_node(base, size, 1);
+ memblock_reserve(base, size);
#endif
}
@@ -157,7 +158,7 @@ void __init setup_arch_memory(void)
min_high_pfn = PFN_DOWN(high_mem_start);
max_high_pfn = PFN_DOWN(high_mem_start + high_mem_sz);
- max_zone_pfn[ZONE_HIGHMEM] = max_high_pfn;
+ max_zone_pfn[ZONE_HIGHMEM] = min_low_pfn;
high_memory = (void *)(min_high_pfn << PAGE_SHIFT);
kmap_init();
@@ -166,22 +167,26 @@ void __init setup_arch_memory(void)
free_area_init(max_zone_pfn);
}
-/*
- * mem_init - initializes memory
- *
- * Frees up bootmem
- * Calculates and displays memory available/used
- */
-void __init mem_init(void)
+static void __init highmem_init(void)
{
#ifdef CONFIG_HIGHMEM
unsigned long tmp;
- reset_all_zones_managed_pages();
+ memblock_free(high_mem_start, high_mem_sz);
for (tmp = min_high_pfn; tmp < max_high_pfn; tmp++)
free_highmem_page(pfn_to_page(tmp));
#endif
+}
+/*
+ * mem_init - initializes memory
+ *
+ * Frees up bootmem
+ * Calculates and displays memory available/used
+ */
+void __init mem_init(void)
+{
memblock_free_all();
+ highmem_init();
mem_init_print_info(NULL);
}