From mboxrd@z Thu Jan 1 00:00:00 1970 From: lauraa@codeaurora.org (Laura Abbott) Date: Thu, 11 Sep 2014 15:10:32 -0700 Subject: [PATCH] arm64: pageattr: Correctly adjust unaligned start addresses In-Reply-To: <54112831.6010800@codeaurora.org> Message-ID: <1410473432-13381-1-git-send-email-lauraa@codeaurora.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org The start address needs to be actually updated after it is detected to be unaligned. Adjust it and the end address properly. Reported-by: Zi Shen Lim Signed-off-by: Laura Abbott --- arch/arm64/mm/pageattr.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/mm/pageattr.c b/arch/arm64/mm/pageattr.c index 75e744e..bb0ea94 100644 --- a/arch/arm64/mm/pageattr.c +++ b/arch/arm64/mm/pageattr.c @@ -46,7 +46,8 @@ static int change_memory_common(unsigned long addr, int numpages, struct page_change_data data; if (!IS_ALIGNED(addr, PAGE_SIZE)) { - addr &= PAGE_MASK; + start &= PAGE_MASK; + end = start + size; WARN_ON_ONCE(1); } -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation