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| author | Hugh Dickins <hughd@google.com> | 2013-02-22 16:35:05 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-23 17:50:19 -0800 |
| commit | ee0ea59cf9ea95369d686bdc4b3d8c027e2b99cd (patch) | |
| tree | 31b446ae45861baf9532d94bffcc091933f7df95 /lib/swiotlb.c | |
| parent | e850dcf530a470b6115344ee00acf766d824db53 (diff) | |
| download | blackbird-op-linux-ee0ea59cf9ea95369d686bdc4b3d8c027e2b99cd.tar.gz blackbird-op-linux-ee0ea59cf9ea95369d686bdc4b3d8c027e2b99cd.zip | |
ksm: reorganize ksm_check_stable_tree
Memory hotremove's ksm_check_stable_tree() is pitifully inefficient
(restarting whenever it finds a stale node to remove), but rearrange so
that at least it does not needlessly restart from nid 0 each time. And
add a couple of comments: here is why we keep pfn instead of page.
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Petr Holasek <pholasek@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Izik Eidus <izik.eidus@ravellosystems.com>
Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/swiotlb.c')
0 files changed, 0 insertions, 0 deletions
