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From: Florian Weimer <fweimer@redhat.com>
To: Adhemerval Zanella Netto <adhemerval.zanella@linaro.org>
Cc: Siddhesh Poyarekar <siddhesh@gotplt.org>,
	 Zack Weinberg via Libc-alpha <libc-alpha@sourceware.org>,
	 Zack Weinberg <zack@owlfolio.org>,  DJ Delorie <dj@redhat.com>
Subject: Re: [RFC] Supporting malloc_usable_size
Date: Wed, 07 Dec 2022 18:39:06 +0100	[thread overview]
Message-ID: <871qpbgll1.fsf@oldenburg.str.redhat.com> (raw)
In-Reply-To: <f648dde2-88a6-21f5-7b8c-548368837317@linaro.org> (Adhemerval Zanella Netto's message of "Wed, 7 Dec 2022 13:54:09 -0300")

* Adhemerval Zanella Netto:

> Another possibility would to make malloc_usable_size always return the
> malloc size argument (although it would add some internal metadata
> costs).

We can probably implement it with little overhead, even on 32 bit, but a
size-class-based allocator will require more drastic changes.

Thanks,
Florian


  parent reply	other threads:[~2022-12-07 17:39 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-24 21:32 Siddhesh Poyarekar
2022-12-02  4:42 ` DJ Delorie
2022-12-02  5:00   ` Sam James
2022-12-02  5:28     ` DJ Delorie
2022-12-02 12:36       ` Siddhesh Poyarekar
2022-12-02 19:16         ` DJ Delorie
2022-12-02 19:49           ` Siddhesh Poyarekar
2022-12-02 19:57             ` DJ Delorie
2022-12-02 12:03 ` Andreas Schwab
2022-12-02 12:22   ` Siddhesh Poyarekar
2022-12-02 12:34     ` Andreas Schwab
2022-12-02 12:39       ` Florian Weimer
2022-12-05 18:46         ` Zack Weinberg
2022-12-05 19:04           ` Siddhesh Poyarekar
2022-12-05 20:35           ` Florian Weimer
2022-12-06 19:25             ` Siddhesh Poyarekar
2022-12-07 10:01               ` Florian Weimer
2022-12-07 16:34                 ` Siddhesh Poyarekar
2022-12-07 16:54                   ` Adhemerval Zanella Netto
2022-12-07 16:57                     ` Sam James
2022-12-07 17:39                     ` Florian Weimer [this message]
2022-12-09 15:42                     ` Siddhesh Poyarekar
2022-12-07 18:45                 ` DJ Delorie
2022-12-02 12:54     ` Florian Weimer
2022-12-02 13:54 Wilco Dijkstra

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