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From: ritesh sonawane <rdssonawane2317@gmail.com>
To: Florian Weimer <fw@deneb.enyo.de>
Cc: carlos@redhat.com, libc-help@sourceware.org
Subject: Re: Impact of Increasing M_MMAP_THRESHOLD to 1GB in malloc().
Date: Fri, 28 Sep 2018 11:07:00 -0000	[thread overview]
Message-ID: <CAB8f8h3AerSNCg62xnUY1K5CrLvvt_AOtpBT4==O5RPNM4NfEw@mail.gmail.com> (raw)
In-Reply-To: <87wor5ewhr.fsf@mid.deneb.enyo.de>

Thanks a lot.

On Fri, 28 Sep 2018 at 4:10 PM, Florian Weimer <fw@deneb.enyo.de> wrote:

> * ritesh sonawane:
>
> > Apart from changing threshold value do I need to take care of bin index ?
> > I have tried to understand the binning of malloc(), and found that its
> not
> > necessary.
>
> The binning is for small allocations only.  No changes will be needed
> for correctness.  There are scalability issues if you have many
> allocations of sizes that are not tracked in bins, but that is a
> preexisting problem in the allocator, unrelated to changing the mmap
> threshold or the heap size.
>

  reply	other threads:[~2018-09-28 11:07 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-26  9:46 ritesh sonawane
2018-09-26 10:05 ` Florian Weimer
2018-09-27 16:55   ` ritesh sonawane
2018-09-27 17:46     ` Florian Weimer
2018-09-27 18:16       ` Carlos O'Donell
2018-09-28 10:22         ` ritesh sonawane
2018-09-28 10:40           ` Florian Weimer
2018-09-28 11:07             ` ritesh sonawane [this message]
2018-09-28 10:03       ` ritesh sonawane

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