Date: Fri, 1 Jan 2021 20:31:29 -0800 From: Mark Millard <marklmi@yahoo.com> To: dev-commits-src-main@freebsd.org Subject: Re: git: 202aea9c82ea - main - arm: tune vmparam.h towards a little more modern Message-ID: <302DD6F4-0D16-456B-8EC7-960B273D8CAA@yahoo.com> In-Reply-To: <C25D0F4E-4261-430C-8A36-C7E1FC51F6DA@yahoo.com> References: <C25D0F4E-4261-430C-8A36-C7E1FC51F6DA@yahoo.com>
index | next in thread | previous in thread | raw e-mail
On 2020-Dec-31, at 18:07, Mark Millard <marklmi at yahoo.com> wrote: > Comparing the old and new 32-bit arm limits to arm64 . . . > > arm: > > -#define MAXDSIZ (512UL*1024*1024) /* max data size */ > +#define MAXDSIZ (1856UL*1024*1024) /* max data size */ > > vs. arm64: > > #define MAXDSIZ (1*1024*1024*1024) /* max data size */ > > So arm64 now has a smaller MAXDSIZ than 32-bit arm. > > Is that intensional? > For reference for other comparisons of how things are now for MAXDSIZ : # grep -r MAXDSIZ sys/*/include/vmparam.h sys/amd64/include/vmparam.h:#ifndef MAXDSIZ sys/amd64/include/vmparam.h:#define MAXDSIZ (32768UL*1024*1024) /* max data size */ sys/arm/include/vmparam.h:#ifndef MAXDSIZ sys/arm/include/vmparam.h:#define MAXDSIZ (1856UL*1024*1024) /* max data size */ sys/arm64/include/vmparam.h:#ifndef MAXDSIZ sys/arm64/include/vmparam.h:#define MAXDSIZ (1*1024*1024*1024) /* max data size */ sys/i386/include/vmparam.h:#ifndef MAXDSIZ sys/i386/include/vmparam.h:#define MAXDSIZ (512UL*1024*1024) /* max data size */ sys/mips/include/vmparam.h:#ifndef MAXDSIZ sys/mips/include/vmparam.h:#define MAXDSIZ (1*1024UL*1024*1024) /* max data size */ sys/powerpc/include/vmparam.h:#ifndef MAXDSIZ sys/powerpc/include/vmparam.h:#define MAXDSIZ (32UL*1024*1024*1024) /* max data size */ sys/powerpc/include/vmparam.h:#define MAXDSIZ (1*1024*1024*1024) /* max data size */ sys/riscv/include/vmparam.h:#ifndef MAXDSIZ sys/riscv/include/vmparam.h:#define MAXDSIZ (1*1024*1024*1024) /* max data size */ (powerpc64 and 32-bit powerpc both show figures above.) === Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)help
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?302DD6F4-0D16-456B-8EC7-960B273D8CAA>