CVSROOT: /cvs
Module name: src
Changes by: [email protected] 2023/12/14 04:58:09
Modified files:
sys/kern : kern_malloc.c
Log message:
Bring default logic to set nkmempages into the 21st century.
The new logic is:
Up to 1G physmem use physical memory / 4,
above 1G add an extra 16MB per 1G of memory.
Clamp it down depending on available kernel virtual address space
- up and including 512M -> 64MB (macppc, arm, sh)
- between 512M and 1024M -> 128MB (hppa, i386, mips, luna88k)
- over 1024M clamping to VM_KERNEL_SPACE_SIZE / 4
The result is much more malloc(9) space on 64bit archs with lots of memory
and large kva space.
Note: amd64 only has 4G of kva and therefor nkmempages is limited to 262144
As a side-effect NKMEMPAGES_MAX and nkmempages_max are no longer used.
Tested and OK miod@
