linux-kernel - Re: [PATCH v4 1/5] mm: Provide kernel parameter to allow disabling page init poisoning

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Message-ID: <a40a78c0-207b-03b7-344c-847b12a4f896@microsoft.com>
Date:   Fri, 21 Sep 2018 19:04:30 +0000
From:   Pasha Tatashin <Pavel.Tatashin@...rosoft.com>
To:     Alexander Duyck <alexander.h.duyck@...ux.intel.com>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>
CC:     "mhocko@...e.com" <mhocko@...e.com>,
        "dave.jiang@...el.com" <dave.jiang@...el.com>,
        "mingo@...nel.org" <mingo@...nel.org>,
        "dave.hansen@...el.com" <dave.hansen@...el.com>,
        "jglisse@...hat.com" <jglisse@...hat.com>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "logang@...tatee.com" <logang@...tatee.com>,
        "dan.j.williams@...el.com" <dan.j.williams@...el.com>,
        "kirill.shutemov@...ux.intel.com" <kirill.shutemov@...ux.intel.com>
Subject: Re: [PATCH v4 1/5] mm: Provide kernel parameter to allow disabling
 page init poisoning


> +			pr_err("vm_debug option '%c' unknown. skipped\n",
> +			       *str);
> +		}
> +
> +		str++;
> +	}
> +out:
> +	if (page_init_poisoning && !__page_init_poisoning)
> +		pr_warn("Page struct poisoning disabled by kernel command line option 'vm_debug'\n");

New lines '\n' can be removed, they are not needed for kprintfs.


Reviewed-by: Pavel Tatashin <pavel.tatashin@...rosoft.com>