Re: [PATCH 2/4] arm: let set_memory_xx(addr, 0) succeed.
From: Laura Abbott <hidden>
Date: 2016-01-25 18:43:24
Also in:
linux-arm-kernel, lkml
On 01/23/2016 07:05 AM, mika.penttila@nextfour.com wrote:
quoted hunk ↗ jump to hunk
From: Mika PenttilA? <redacted> This makes set_memory_xx() consistent with x86. Signed-off-by: Mika PenttilA? mika.penttila@nextfour.com --- 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 <redacted> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>