Following up on my earlier modularization of the SYSV IPC code, I have
discovered that mips's pmap.c includes some SYSVSHM size in the calcs
for the system map sizes. At line 516 in arch/mips/mips/pmap.c we have
#ifdef SYSVSHM
Sysmapsize += shminfo.shmall;
#endif
In arch/alpha/alpha/pmap.c we have at line 781
#ifdef SYSVSHM
lev3mapsize += shminfo.shmall;
#endif
Since SYSVSHM could be loaded as a module, rather than being built-in
to the kernel, would it be reasonable to remove these #ifdef's and
thus always include the increment to the map sizes?
It seems that noone is currently using modular sysv_ipc on either mips
or alpha, since otherwize I would have expected some fallout from an
incorrect sizing of the system map. Including the above code
unconditionally should not have a significant impact on kernel size
even for those kernels that don't include the SYSVSHM code.
+------------------+--------------------------+-------------------------+
| Paul Goyette | PGP Key fingerprint: | E-mail addresses: |
| (Retired) | FA29 0E3B 35AF E8AE 6651 | paul at whooppee.com |
| Kernel Developer | 0786 F758 55DE 53BA 7731 | pgoyette at netbsd.org |
+------------------+--------------------------+-------------------------+
