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| author | Arve Hjønnevåg <arve@android.com> | 2009-05-11 15:45:10 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-06-19 11:00:52 -0700 |
| commit | 31d59a4198f3f07da8250dfb5b698eacfaf612e5 (patch) | |
| tree | c081f22e80b3e2e6f86e3ea4c7155e86ff095030 /drivers/staging/android | |
| parent | f501d00144328ca9e0521d159cf80ff5c9d21d77 (diff) | |
| download | linux-31d59a4198f3f07da8250dfb5b698eacfaf612e5.tar.gz linux-31d59a4198f3f07da8250dfb5b698eacfaf612e5.tar.bz2 linux-31d59a4198f3f07da8250dfb5b698eacfaf612e5.zip | |
Staging: android: lowmemorykiller: Don't count free space unless it meets the specified limit by itself
From: Arve Hjønnevåg <arve@android.com>
This allows processes to be killed when the kernel evict cache pages in
an attempt to get more contiguous free memory.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Cc: David Rientjes <rientjes@google.com>
Cc: San Mehat <san@android.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/android')
| -rw-r--r-- | drivers/staging/android/lowmemorykiller.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c index b9a2e843e2fe..b2ab7faac4fb 100644 --- a/drivers/staging/android/lowmemorykiller.c +++ b/drivers/staging/android/lowmemorykiller.c @@ -58,20 +58,25 @@ static int lowmem_shrink(int nr_to_scan, gfp_t gfp_mask) int min_adj = OOM_ADJUST_MAX + 1; int selected_tasksize = 0; int array_size = ARRAY_SIZE(lowmem_adj); - int other_free = global_page_state(NR_FREE_PAGES) + global_page_state(NR_FILE_PAGES); + int other_free = global_page_state(NR_FREE_PAGES); + int other_file = global_page_state(NR_FILE_PAGES); if(lowmem_adj_size < array_size) array_size = lowmem_adj_size; if(lowmem_minfree_size < array_size) array_size = lowmem_minfree_size; for(i = 0; i < array_size; i++) { - if(other_free < lowmem_minfree[i]) { + if (other_free < lowmem_minfree[i] && + other_file < lowmem_minfree[i]) { min_adj = lowmem_adj[i]; break; } } if(nr_to_scan > 0) - lowmem_print(3, "lowmem_shrink %d, %x, ofree %d, ma %d\n", nr_to_scan, gfp_mask, other_free, min_adj); - rem = global_page_state(NR_ACTIVE) + global_page_state(NR_INACTIVE); + lowmem_print(3, "lowmem_shrink %d, %x, ofree %d %d, ma %d\n", nr_to_scan, gfp_mask, other_free, other_file, min_adj); + rem = global_page_state(NR_ACTIVE_ANON) + + global_page_state(NR_ACTIVE_FILE) + + global_page_state(NR_INACTIVE_ANON) + + global_page_state(NR_INACTIVE_FILE); if (nr_to_scan <= 0 || min_adj == OOM_ADJUST_MAX + 1) { lowmem_print(5, "lowmem_shrink %d, %x, return %d\n", nr_to_scan, gfp_mask, rem); return rem; |