Displaying 7 results from an estimated 7 matches for "make_pages_present".
2007 Apr 18
1
[patch 5/9] Guest page hinting: mlocked pages.
...avoid traversing vma lists - which
would hurt performance a lot - a field is added in the struct
address_space. This field is set in mlock_fixup if a vma gets mlocked.
The bit never gets removed - once a file had an mlocked vma all future
pages added to it will stay stable.
To complete the picture make_pages_present has to check for the host
page state besides making the pages present in the linux page table.
This is done by a call to get_user_pages with a pages parameter. Since
the VM_LOCKED bit of the vma will be set prior to the call to
get_user_pages an additional check is needed in the try_to_unmap_one
fu...
2007 Apr 18
1
[patch 5/9] Guest page hinting: mlocked pages.
...avoid traversing vma lists - which
would hurt performance a lot - a field is added in the struct
address_space. This field is set in mlock_fixup if a vma gets mlocked.
The bit never gets removed - once a file had an mlocked vma all future
pages added to it will stay stable.
To complete the picture make_pages_present has to check for the host
page state besides making the pages present in the linux page table.
This is done by a call to get_user_pages with a pages parameter. Since
the VM_LOCKED bit of the vma will be set prior to the call to
get_user_pages an additional check is needed in the try_to_unmap_one
fu...
2007 Aug 15
0
LVM OOM killer
...ule+0x628/0x6e0
Aug 15 14:40:30 xen5etch kernel: [<c0146d2a>] follow_page+0x23b/0x312
Aug 15 14:40:30 xen5etch kernel: [<c0148fd6>] get_user_pages+0x375/0x474
Aug 15 14:40:30 xen5etch kernel: [<c014c258>] vma_merge+0xd3/0x142
Aug 15 14:40:30 xen5etch kernel: [<c014abbc>] make_pages_present+0x6f/0x84
Aug 15 14:40:30 xen5etch kernel: [<c014c6d0>] do_brk+0x1c5/0x1dd
Aug 15 14:40:30 xen5etch kernel: [<c014c79b>] sys_brk+0xb3/0xd3
Aug 15 14:40:30 xen5etch kernel: [<c0104883>] syscall_call+0x7/0xb
Aug 15 14:40:30 xen5etch kernel: Mem-info:
Aug 15 14:40:30 xen5etch kern...
2007 Jun 28
6
[patch 0/6] resend: guest page hinting version 5.
Greetings,
after Carsten pitched CMM2 on the kvm mini summit here is a repost
of version 5 of the guest page hinting patches. The code is still
the same but has been adapted to the latest git level.
--
blue skies,
Martin.
"Reality continues to ruin my life." - Calvin.
2007 Jun 28
6
[patch 0/6] resend: guest page hinting version 5.
Greetings,
after Carsten pitched CMM2 on the kvm mini summit here is a repost
of version 5 of the guest page hinting patches. The code is still
the same but has been adapted to the latest git level.
--
blue skies,
Martin.
"Reality continues to ruin my life." - Calvin.
2007 May 11
6
[patch 0/6] [rfc] guest page hinting version 5
After way to many months here is the fifth version of the guest page
hinting patches. Compared to version four a few improvements have been
added:
- Avoid page_host_discards() calls outside of page-states.h
- The discard list is now implemented via the page_free_discarded
hook and architecture specific code.
- PG_state_change page flag has been replaced with architecture
specficic
2007 May 11
6
[patch 0/6] [rfc] guest page hinting version 5
After way to many months here is the fifth version of the guest page
hinting patches. Compared to version four a few improvements have been
added:
- Avoid page_host_discards() calls outside of page-states.h
- The discard list is now implemented via the page_free_discarded
hook and architecture specific code.
- PG_state_change page flag has been replaced with architecture
specficic