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-rw-r--r--arch/arm/mm/mmu.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 6cf76b3b68d1..9d9e736c2b4f 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -31,8 +31,6 @@
#include "mm.h"
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
/*
* empty_zero_page is a special page that is used for
* zero-initialized data and COW.
@@ -765,15 +763,12 @@ static void __init sanity_check_meminfo(void)
{
int i, j, highmem = 0;
- lowmem_limit = __pa(vmalloc_min - 1) + 1;
- memblock_set_current_limit(lowmem_limit);
-
for (i = 0, j = 0; i < meminfo.nr_banks; i++) {
struct membank *bank = &meminfo.bank[j];
*bank = meminfo.bank[i];
#ifdef CONFIG_HIGHMEM
- if (__va(bank->start) > vmalloc_min ||
+ if (__va(bank->start) >= vmalloc_min ||
__va(bank->start) < (void *)PAGE_OFFSET)
highmem = 1;
@@ -831,6 +826,9 @@ static void __init sanity_check_meminfo(void)
bank->size = newsize;
}
#endif
+ if (!bank->highmem && bank->start + bank->size > lowmem_limit)
+ lowmem_limit = bank->start + bank->size;
+
j++;
}
#ifdef CONFIG_HIGHMEM
@@ -854,6 +852,7 @@ static void __init sanity_check_meminfo(void)
}
#endif
meminfo.nr_banks = j;
+ memblock_set_current_limit(lowmem_limit);
}
static inline void prepare_page_table(void)
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