Re: [PATCH V6] Allow compaction of unevictable pages

2015-03-19 Thread David Rientjes
On Thu, 19 Mar 2015, Eric B Munson wrote: > Currently, pages which are marked as unevictable are protected from > compaction, but not from other types of migration. The POSIX real time > extension explicitly states that mlock() will prevent a major page > fault, but the spirit of is is that mlock

Re: [PATCH V6] Allow compaction of unevictable pages

2015-03-19 Thread Christoph Lameter
On Thu, 19 Mar 2015, Eric B Munson wrote: > Thanks, I have a version with the changelog fixed up to actually make > sense and can submit that if the patch is acceptable otherwise. Looks good as far as I can see. Acked-by: Christoph Lameter -- To unsubscribe from this list: send the line "unsub

Re: [PATCH V6] Allow compaction of unevictable pages

2015-03-19 Thread Eric B Munson
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 03/19/2015 10:56 AM, Vlastimil Babka wrote: > On 03/19/2015 02:57 PM, Eric B Munson wrote: >> Currently, pages which are marked as unevictable are protected >> from compaction, but not from other types of migration. The >> POSIX real time extension

Re: [PATCH V6] Allow compaction of unevictable pages

2015-03-19 Thread Vlastimil Babka
On 03/19/2015 02:57 PM, Eric B Munson wrote: > Currently, pages which are marked as unevictable are protected from > compaction, but not from other types of migration. The POSIX real time > extension explicitly states that mlock() will prevent a major page > fault, but the spirit of is is that mlo

Re: [PATCH V6] Allow compaction of unevictable pages

2015-03-19 Thread Michal Hocko
On Thu 19-03-15 09:57:10, Eric B Munson wrote: > Currently, pages which are marked as unevictable are protected from > compaction, but not from other types of migration. The POSIX real time > extension explicitly states that mlock() will prevent a major page > fault, but the spirit of is is that m