Date: Mon, 16 Dec 2019 20:57:41 -0800 From: Cy Schubert <Cy.Schubert@cschubert.com> To: Warner Losh <imp@bsdimp.com> Cc: Cy Schubert <Cy.Schubert@cschubert.com>, "Pedro F. Giffuni" <pfg@freebsd.org>, src-committers <src-committers@freebsd.org>, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r355828 - head/sys/sys Message-ID: <201912170457.xBH4vfuY082131@slippy.cwsent.com> In-Reply-To: <CANCZdfqRm2HQ=ULPs6w3Kf2aZ6Gi46Q-vBYXaKiTs58X_siz9Q@mail.gmail.com> References: <201912162355.xBGNtUq6078840@repo.freebsd.org> <201912170442.xBH4gUOg063777@slippy.cwsent.com> <CANCZdfqRm2HQ=ULPs6w3Kf2aZ6Gi46Q-vBYXaKiTs58X_siz9Q@mail.gmail.com>
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In message <CANCZdfqRm2HQ=ULPs6w3Kf2aZ6Gi46Q-vBYXaKiTs58X_siz9Q@mail.gmail.c om> , Warner Losh writes: > --0000000000009630860599df06a0 > Content-Type: text/plain; charset="UTF-8" > > On Mon, Dec 16, 2019, 9:42 PM Cy Schubert <Cy.Schubert@cschubert.com> wrote: > > > In message <201912162355.xBGNtUq6078840@repo.freebsd.org>, "Pedro F. > > Giffuni" w > > rites: > > > Author: pfg > > > Date: Mon Dec 16 23:55:30 2019 > > > New Revision: 355828 > > > URL: https://svnweb.freebsd.org/changeset/base/355828 > > > > > > Log: > > > Double the size of ARG_MAX on LP64 platforms. > > > > > > As modern software keeps growing in size, we get requests to update the > > > value of ARG_MAX in order to link the resulting object files. Other OSs > > > have much higher values but Increasiong ARG_MAX has a multiplied > > effect on > > > KVA, so just bumping this value is dangerous in some archs like ARM32 > > that > > > can exhaust KVA rather easily. > > > > > > While it would be better to have a unique value for all archs, other > > OSs > > > (Illumos in partidular) can have different ARG_MAX limits depending on > > the > > > platform, For now we want to be really conservative so we are avoidng > > > the change on ILP32 and in the alternative case we only double it > > since tha > > > t > > > seems to work well enough for recent Code Aster. > > > > > > I was planning to bump the _FreeBSD_version but it was bumped recently > > > (r355798) so we can reuse the 1300068 value for this change. > > > > This doesn't seem right. Each bump should be for a distinct change and > > documented as such. > > > > In the past we've said to piggy back versions when less than a day has > passed since the last bump. The hard part on this is that follow through on > actually documenting both has been lax. We document this kind of thing on the wiki, but the PITA of opening a browser. Would it be better to have a similar type of file like RELNOTES and UPDATING to document version bumps? It seems a little silly, though, to have yet another file, maybe we could incorporate that into RELNOTES in the form of: rNNNNNN: <optional: _FreeBSD_version> Some verbiage. -- Cheers, Cy Schubert <Cy.Schubert@cschubert.com> FreeBSD UNIX: <cy@FreeBSD.org> Web: http://www.FreeBSD.org The need of the many outweighs the greed of the few.
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