diff options
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/init_64.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 9f76e109f96a..70f8e9ce412e 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -569,8 +569,12 @@ static int __init probe_memory_block_size(unsigned long node, const char *uname, */ compatible = of_get_flat_dt_prop(node, "compatible", NULL); if (compatible && !strcmp(compatible, "ibm,coherent-device-memory")) { - *block_size = SZ_256M; - return 1; + if (*block_size > SZ_256M) + *block_size = SZ_256M; + /* + * We keep 256M as the upper limit with GPU present. + */ + return 0; } } /* continue looking for other memory device types */ |