diff options
Diffstat (limited to 'drivers/acpi/acpica/exregion.c')
| -rw-r--r-- | drivers/acpi/acpica/exregion.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c index 389a4121b282..f6c2f5499935 100644 --- a/drivers/acpi/acpica/exregion.c +++ b/drivers/acpi/acpica/exregion.c @@ -165,8 +165,8 @@ acpi_ex_system_memory_space_handler(u32 function, * one page, which is similar to the original code that used a 4k * maximum window. */ - page_boundary_map_length = - ACPI_ROUND_UP(address, ACPI_DEFAULT_PAGE_SIZE) - address; + page_boundary_map_length = (acpi_size) + (ACPI_ROUND_UP(address, ACPI_DEFAULT_PAGE_SIZE) - address); if (page_boundary_map_length == 0) { page_boundary_map_length = ACPI_DEFAULT_PAGE_SIZE; } |