Message ID | 20190701062020.19239-11-hch@lst.de (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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[2607:7c80:54:e::133]) by mx.google.com with ESMTPS id cd17si9790628plb.210.2019.06.30.23.20.48 for <linux-mm@kvack.org> (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 30 Jun 2019 23:20:48 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of batv+bb02ddf78a79a38d855c+5790+infradead.org+hch@bombadil.srs.infradead.org designates 2607:7c80:54:e::133 as permitted sender) client-ip=2607:7c80:54:e::133; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20170209 header.b=MG3bxxRo; spf=pass (google.com: best guess record for domain of batv+bb02ddf78a79a38d855c+5790+infradead.org+hch@bombadil.srs.infradead.org designates 2607:7c80:54:e::133 as permitted sender) smtp.mailfrom=BATV+bb02ddf78a79a38d855c+5790+infradead.org+hch@bombadil.srs.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=bXqDiAvJQco6LqrLgE2xZQsqez3vWo2ZZ+dsCe1H1Ss=; b=MG3bxxRoYFqyzGKH+nrS8kwcHT y4aRjpQDTsEzCm695PnLVWV4y3Nrb7KXmkZHwkZH2ZSo+YGrZHifwDp5/3N2Q85v6ZTpB83rmHwSW 2ZYA10EnLDTDWXHbqkWUJeCn12MZ76qYKsC8+eAoddv6/nO+8gFJtGrc/IScul0oIOi3hf/6zHlwR rA11CIUIt645tmGyq0jk63+C0aXj84m1y56+nvvBKt4o888CTQnsLXmPb0sMZMQWQabg0JYeoJ6lX YpLjzVCN9DpjKikQ+fmNMiIAg0IoiKxuPWZjAs+0qiOKMAUokvMS59FUFc+SETnlDJlxowjQF7kaz 87AtjB8g==; Received: from [46.140.178.35] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hhpgC-0002z3-Um; Mon, 01 Jul 2019 06:20:45 +0000 From: Christoph Hellwig <hch@lst.de> To: Dan Williams <dan.j.williams@intel.com>, =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= <jglisse@redhat.com>, Jason Gunthorpe <jgg@mellanox.com>, Ben Skeggs <bskeggs@redhat.com> Cc: Ira Weiny <ira.weiny@intel.com>, linux-mm@kvack.org, nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-nvdimm@lists.01.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Ralph Campbell <rcampbell@nvidia.com>, John Hubbard <jhubbard@nvidia.com>, Philip Yang <Philip.Yang@amd.com> Subject: [PATCH 10/22] mm/hmm: Remove duplicate condition test before wait_event_timeout Date: Mon, 1 Jul 2019 08:20:08 +0200 Message-Id: <20190701062020.19239-11-hch@lst.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190701062020.19239-1-hch@lst.de> References: <20190701062020.19239-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from <hch@infradead.org> by bombadil.infradead.org. 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Series |
[01/22] mm/hmm.c: suppress compilation warnings when CONFIG_HUGETLB_PAGE is not set
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diff --git a/include/linux/hmm.h b/include/linux/hmm.h index 1d97b6d62c5b..26e7c477490c 100644 --- a/include/linux/hmm.h +++ b/include/linux/hmm.h @@ -209,17 +209,8 @@ static inline unsigned long hmm_range_page_size(const struct hmm_range *range) static inline bool hmm_range_wait_until_valid(struct hmm_range *range, unsigned long timeout) { - /* Check if mm is dead ? */ - if (range->hmm == NULL || range->hmm->dead || range->hmm->mm == NULL) { - range->valid = false; - return false; - } - if (range->valid) - return true; - wait_event_timeout(range->hmm->wq, range->valid || range->hmm->dead, - msecs_to_jiffies(timeout)); - /* Return current valid status just in case we get lucky */ - return range->valid; + return wait_event_timeout(range->hmm->wq, range->valid, + msecs_to_jiffies(timeout)) != 0; } /*