[lkml]   [2000]   [Jan]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: What to do when out of memory
> It seems it is possible to keep track of memory such that any successful
> mmap will always be pageable - keep track of allocated pages which are
> pending paging and subtract that from free_pages in vm_enough_memory().
> Still, this is getting back to a short thread I started long ago - if I
> have some spare time I'll try implementing it.

I actually implemented it for 1.2.x by simply counting vma sizes in
mm/*.c. You end up needing a lot of swap 'just in case'. If you want to be
completely correct you need to account all R/O shared pages as potentially
private because of ptrace().


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:56    [W:0.040 / U:0.244 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site