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| author | David S. Miller <davem@davemloft.net> | 2008-11-20 16:44:00 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-11-20 16:44:00 -0800 |
| commit | 6ab33d51713d6d60c7677c0d020910a8cb37e513 (patch) | |
| tree | 546c2ff099b2757e75cf34ddace874f1220f740e /mm/vmscan.c | |
| parent | 7be6065b39c3f1cfa796667eac1a2170465acc91 (diff) | |
| parent | 13d428afc007fcfcd6deeb215618f54cf9c0cae6 (diff) | |
| download | kernel_samsung_crespo-6ab33d51713d6d60c7677c0d020910a8cb37e513.zip kernel_samsung_crespo-6ab33d51713d6d60c7677c0d020910a8cb37e513.tar.gz kernel_samsung_crespo-6ab33d51713d6d60c7677c0d020910a8cb37e513.tar.bz2 | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/ixgbe/ixgbe_main.c
include/net/mac80211.h
net/phonet/af_phonet.c
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index c141b3e..7ea1440 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -623,6 +623,8 @@ static unsigned long shrink_page_list(struct list_head *page_list, * Try to allocate it some swap space here. */ if (PageAnon(page) && !PageSwapCache(page)) { + if (!(sc->gfp_mask & __GFP_IO)) + goto keep_locked; switch (try_to_munlock(page)) { case SWAP_FAIL: /* shouldn't happen */ case SWAP_AGAIN: @@ -634,6 +636,7 @@ static unsigned long shrink_page_list(struct list_head *page_list, } if (!add_to_swap(page, GFP_ATOMIC)) goto activate_locked; + may_enter_fs = 1; } #endif /* CONFIG_SWAP */ @@ -1386,9 +1389,9 @@ static void get_scan_ratio(struct zone *zone, struct scan_control *sc, file_prio = 200 - sc->swappiness; /* - * anon recent_rotated[0] - * %anon = 100 * ----------- / ----------------- * IO cost - * anon + file rotate_sum + * The amount of pressure on anon vs file pages is inversely + * proportional to the fraction of recently scanned pages on + * each list that were recently referenced and in active use. */ ap = (anon_prio + 1) * (zone->recent_scanned[0] + 1); ap /= zone->recent_rotated[0] + 1; |