On 01/23/2016 07:05 AM, mika.penttila@xxxxxxxxxxxx wrote:
From: Mika Penttilä <mika.penttila@xxxxxxxxxxxx> This makes set_memory_xx() consistent with x86. Signed-off-by: Mika Penttilä mika.penttila@xxxxxxxxxxxx --- arch/arm/mm/pageattr.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/mm/pageattr.c b/arch/arm/mm/pageattr.c index be7fe4b..9edf6b0 100644 --- a/arch/arm/mm/pageattr.c +++ b/arch/arm/mm/pageattr.c @@ -49,6 +49,9 @@ static int change_memory_common(unsigned long addr, int numpages, WARN_ON_ONCE(1); } + if (!numpages) + return 0; + if (start < MODULES_VADDR || start >= MODULES_END) return -EINVAL;
Reviewed-by: Laura Abbott <labbott@xxxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>