linux-kernel - Re: [PATCH v8 11/12] mm/vmalloc: Hugepage vmalloc mappings

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Message-ID: <de48d828e04f662596b4b821293e10e34cdcd757.camel@intel.com>
Date:   Mon, 30 Nov 2020 21:42:39 +0000
From:   "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>
To:     "npiggin@...il.com" <npiggin@...il.com>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>
CC:     "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
        "lizefan@...wei.com" <lizefan@...wei.com>,
        "Jonathan.Cameron@...wei.com" <Jonathan.Cameron@...wei.com>,
        "christophe.leroy@...roup.eu" <christophe.leroy@...roup.eu>,
        "hch@...radead.org" <hch@...radead.org>
Subject: Re: [PATCH v8 11/12] mm/vmalloc: Hugepage vmalloc mappings

On Mon, 2020-11-30 at 12:21 -0800, Rick Edgecombe wrote:
> another option could be to use the changes here:
> https://lore.kernel.org/lkml/20201125092208.12544-4-rppt@kernel.org/
> to reset the direct map for a large page range at a time for large 
> vmalloc pages.

Oops, sorry. This wouldn't be so simple because hibernate currently
expects NP direct map pages to be 4k.