linux-kernel - Re: [PATCH v5 1/3] mm: don't account memmap on failure

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Message-ID: <511c4828-cee9-72a8-8e47-ccdf80011a44@google.com>
Date: Sun, 11 Aug 2024 13:23:49 -0700 (PDT)
From: David Rientjes <rientjes@...gle.com>
To: Pasha Tatashin <pasha.tatashin@...een.com>
cc: akpm@...ux-foundation.org, linux-kernel@...r.kernel.org, 
    linux-mm@...ck.org, linux-cxl@...r.kernel.org, cerasuolodomenico@...il.com, 
    hannes@...xchg.org, j.granados@...sung.com, lizhijian@...itsu.com, 
    muchun.song@...ux.dev, nphamcs@...il.com, rppt@...nel.org, 
    souravpanda@...gle.com, vbabka@...e.cz, willy@...radead.org, 
    dan.j.williams@...el.com, yi.zhang@...hat.com, alison.schofield@...el.com, 
    david@...hat.com, yosryahmed@...gle.com
Subject: Re: [PATCH v5 1/3] mm: don't account memmap on failure

On Fri, 9 Aug 2024, Pasha Tatashin wrote:

> When we fail to allocate the mmemmap in alloc_vmemmap_page_list(), do
> not account any already-allocated pages: we're going to free all them
> before we return from the function.
> 
> Fixes: 15995a352474 ("mm: report per-page metadata information")
> Signed-off-by: Pasha Tatashin <pasha.tatashin@...een.com>
> Reviewed-by: Fan Ni <fan.ni@...sung.com>
> Reviewed-by: Yosry Ahmed <yosryahmed@...gle.com>
> Acked-by: David Hildenbrand <david@...hat.com>

Acked-by: David Rientjes <rientjes@...gle.com>