diff options
| author | Konstantin Khlebnikov <khlebnikov@openvz.org> | 2012-01-11 00:07:04 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-11 01:30:41 +0100 |
| commit | cc59850ef940e4ee6a765d28b439b9bafe07cf63 (patch) | |
| tree | 03b666986e9cc7dfc113a14721c44aa9e149f871 /README | |
| parent | vmscan: activate executable pages after first usage (diff) | |
| download | linux-cc59850ef940e4ee6a765d28b439b9bafe07cf63.tar.xz linux-cc59850ef940e4ee6a765d28b439b9bafe07cf63.zip | |
mm: add free_hot_cold_page_list() helper
This patch adds helper free_hot_cold_page_list() to free list of 0-order
pages. It frees pages directly from list without temporary page-vector.
It also calls trace_mm_pagevec_free() to simulate pagevec_free()
behaviour.
bloat-o-meter:
add/remove: 1/1 grow/shrink: 1/3 up/down: 267/-295 (-28)
function old new delta
free_hot_cold_page_list - 264 +264
get_page_from_freelist 2129 2132 +3
__pagevec_free 243 239 -4
split_free_page 380 373 -7
release_pages 606 510 -96
free_page_list 188 - -188
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Minchan Kim <minchan.kim@gmail.com>
Acked-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'README')
0 files changed, 0 insertions, 0 deletions