On Mon, Jun 17, 2013 at 4:22 PM, Toshi Kani <toshi.kani@xxxxxx> wrote: > On Fri, 2013-06-14 at 17:56 -0700, Yinghai Lu wrote: >> Now we only search buffer for override acpi table under 4G. >> In some case, like user use memmap to exclude all low ram, >> we may not find range for it under 4G. >> >> Do second try to search above 4G. >> >> Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx> >> Cc: "Rafael J. Wysocki" <rjw@xxxxxxx> >> Cc: linux-acpi@xxxxxxxxxxxxxxx >> Tested-by: Thomas Renninger <trenn@xxxxxxx> >> Reviewed-by: Tang Chen <tangchen@xxxxxxxxxxxxxx> >> Tested-by: Tang Chen <tangchen@xxxxxxxxxxxxxx> >> --- >> drivers/acpi/osl.c | 4 ++++ >> 1 file changed, 4 insertions(+) >> >> diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c >> index 93e3194..42c48fc 100644 >> --- a/drivers/acpi/osl.c >> +++ b/drivers/acpi/osl.c >> @@ -627,6 +627,10 @@ void __init acpi_initrd_override(void *data, size_t size) >> /* under 4G at first, then above 4G */ >> acpi_tables_addr = memblock_find_in_range(0, (1ULL<<32) - 1, >> all_tables_size, PAGE_SIZE); >> + if (!acpi_tables_addr) >> + acpi_tables_addr = memblock_find_in_range(0, >> + ~(phys_addr_t)0, >> + all_tables_size, PAGE_SIZE); > > Should this search start from 4G, instead of 0? should be ok, as memblock searching is top-down. Thanks Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
