linux-kernel - Re: [PATCH 1/1] mm/vmalloc: convert vmap_lazy_nr to atomic_long

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Date:   Thu, 31 Jan 2019 14:40:20 -0700
From:   William Kucharski <william.kucharski@...cle.com>
To:     "Uladzislau Rezki (Sony)" <urezki@...il.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        Michal Hocko <mhocko@...e.com>,
        Matthew Wilcox <willy@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Thomas Garnier <thgarnie@...gle.com>,
        Oleksiy Avramchenko <oleksiy.avramchenko@...ymobile.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Joel Fernandes <joelaf@...gle.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...e.hu>, Tejun Heo <tj@...nel.org>
Subject: Re: [PATCH 1/1] mm/vmalloc: convert vmap_lazy_nr to atomic_long_t



> On Jan 31, 2019, at 9:24 AM, Uladzislau Rezki (Sony) <urezki@...il.com> wrote:
> 
> vmap_lazy_nr variable has atomic_t type that is 4 bytes integer
> value on both 32 and 64 bit systems. lazy_max_pages() deals with
> "unsigned long" that is 8 bytes on 64 bit system, thus vmap_lazy_nr
> should be 8 bytes on 64 bit as well.

Looks good.

Reviewed-by: William Kucharski <william.kucharski@...cle.com>