linux-kernel - Re: [PATCH 2/2] fs: hugetlbfs: Fix logic to skip allocation on hit in page cache

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Message-ID: <diqz5y92g51y.fsf@ackerleytng-ctop.c.googlers.com>
Date:   Mon, 08 May 2023 16:29:29 +0000
From:   Ackerley Tng <ackerleytng@...gle.com>
To:     Mike Kravetz <mike.kravetz@...cle.com>
Cc:     willy@...radead.org, sidhartha.kumar@...cle.com,
        akpm@...ux-foundation.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        muchun.song@...ux.dev, jhubbard@...dia.com, vannapurve@...gle.com,
        erdemaktas@...gle.com
Subject: Re: [PATCH 2/2] fs: hugetlbfs: Fix logic to skip allocation on hit in
 page cache



I wrote a selftest to verify the behavior of page_cache_next_miss() and
indeed you are right about the special case.

I'll continue to look into this to figure out why it isn't hitting in
the page cache.

Thanks Mike!