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Your huge page comment also reminded me that Power has 64k page support, rather than the 4k or 2MB that amd64 has, and this is normally the pag size (eg in RHEL
by justincormack 12y ago
Your huge page comment also reminded me that Power has 64k page support, rather than the 4k or 2MB that amd64 has, and this is normally the pag size (eg in RHEL) which reduces TLB pressure a lot.
- apaprocki 12y agoIn AIX the text/data page size can be controlled independently per-process with environment variables. What drives me up a wall is that the per-process setting does not actually flow through to their POSIX layer. Have any code that calls sysconf(_SC_PAGESIZE)? The page size is 8k! No, wait...