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Date: Tue, 15 Sep 2015 20:07:40 +0600 From: Alexander Kuleshov <kuleshovmail@...il.com> To: Andrew Morton <akpm@...ux-foundation.org> Cc: Michal Hocko <mhocko@...e.com>, Johannes Weiner <hannes@...xchg.org>, David Rientjes <rientjes@...gle.com>, Vladimir Davydov <vdavydov@...allels.com>, Tejun Heo <tj@...nel.org>, linux-mm@...ck.org, linux-kernel@...r.kernel.org, Alexander Kuleshov <kuleshovmail@...il.com> Subject: [PATCH 03/10] mm/mincore: Use offset_in_page macro The <linux/mm.h> provides offset_in_page() macro. Let's use already predefined macro instead of (addr & ~PAGE_MASK). Signed-off-by: Alexander Kuleshov <kuleshovmail@...il.com> --- mm/mincore.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/mincore.c b/mm/mincore.c index be25efd..a011355 100644 --- a/mm/mincore.c +++ b/mm/mincore.c @@ -234,8 +234,7 @@ SYSCALL_DEFINE3(mincore, unsigned long, start, size_t, len, /* This also avoids any overflows on PAGE_CACHE_ALIGN */ pages = len >> PAGE_SHIFT; - pages += (len & ~PAGE_MASK) != 0; + pages += (offset_in_page(len)) != 0; if (!access_ok(VERIFY_WRITE, vec, pages)) return -EFAULT; -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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