Hi.
   I have a poblem with tmpfs swapping. I'm keeping database cache on tmpfs.
Database uses mmap to access cache files. I have anough RAM on machine, but
pageout daemon swaps these files. 

  I tried tmp_nopage flag but it doesn't help. 
I want to add some flags to vm_pageout.c

pageout_no_tmpfs - will not swap tmpfs pages
pageout_no_exec - will not swap pages with exec flag
pageout_no_fs - will not swap pages mapped on files

What do you think about it ?

What will happe if I will set dopageout = 0 ?
 
 
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