diff options
Diffstat (limited to 'drivers/of/of_reserved_mem.c')
| -rw-r--r-- | drivers/of/of_reserved_mem.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c index 46b9371c8a33..a7fbc5e37e19 100644 --- a/drivers/of/of_reserved_mem.c +++ b/drivers/of/of_reserved_mem.c @@ -162,7 +162,7 @@ static int __init __reserved_mem_alloc_size(unsigned long node, } static const struct of_device_id __rmem_of_table_sentinel - __used __section(__reservedmem_of_table_end); + __used __section("__reservedmem_of_table_end"); /** * __reserved_mem_init_node() - call region specific reserved memory init code @@ -200,6 +200,16 @@ static int __init __rmem_cmp(const void *a, const void *b) if (ra->base > rb->base) return 1; + /* + * Put the dynamic allocations (address == 0, size == 0) before static + * allocations at address 0x0 so that overlap detection works + * correctly. + */ + if (ra->size < rb->size) + return -1; + if (ra->size > rb->size) + return 1; + return 0; } @@ -217,8 +227,7 @@ static void __init __rmem_check_for_overlap(void) this = &reserved_mem[i]; next = &reserved_mem[i + 1]; - if (!(this->base && next->base)) - continue; + if (this->base + this->size > next->base) { phys_addr_t this_end, next_end; |