linux-kernel - RE: [PATCH] exfat: Avoid allocating upcase table using kcalloc()

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Message-ID: <ebdf1f1769aa45cc8880155a4189f2a6@AcuMS.aculab.com>
Date:   Tue, 24 Nov 2020 22:17:06 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     'Artem Labazov' <123321artyom@...il.com>
CC:     "stable@...r.kernel.org" <stable@...r.kernel.org>,
        Namjae Jeon <namjae.jeon@...sung.com>,
        Sungjong Seo <sj1557.seo@...sung.com>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] exfat: Avoid allocating upcase table using kcalloc()

From: Artem Labazov
> Sent: 24 November 2020 19:48
> 
> The table for Unicode upcase conversion requires an order-5 allocation,
> which may fail on a highly-fragmented system:

ISTM that is the wrong way to do the case conversion.
It is also why having to do it is bloody stupid.

	David

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