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| author | Andres Lagar-Cavilla <andres@lagarcavilla.org> | 2012-03-08 09:05:22 +0000 |
|---|---|---|
| committer | Andres Lagar-Cavilla <andres@lagarcavilla.org> | 2012-03-08 09:05:22 +0000 |
| commit | c812282081bbb08f2a2d5e3dedc532502de41cb9 (patch) | |
| tree | 6ca542a19129546ec71e87930cdc120f7e19284b | |
| parent | 5fb0f4f5d87bb72a76ca55b96a8b4ce1a0810f8c (diff) | |
| download | xen-c812282081bbb08f2a2d5e3dedc532502de41cb9.tar.gz xen-c812282081bbb08f2a2d5e3dedc532502de41cb9.tar.bz2 xen-c812282081bbb08f2a2d5e3dedc532502de41cb9.zip | |
Low mem virq incremental adjustments
Consider tmem before firing the virq.
Add .gitignore rune.
Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org>
Acked-by: Dan Magenheimer <dan.magenheimer@oracle.com>
Committed-by: Keir Fraser <keir@xen.org>
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | xen/common/page_alloc.c | 7 |
2 files changed, 6 insertions, 2 deletions
diff --git a/.gitignore b/.gitignore index 8810b35b54..87f483063b 100644 --- a/.gitignore +++ b/.gitignore @@ -203,6 +203,7 @@ tools/misc/xen-hvmctx tools/misc/gtraceview tools/misc/gtracestat tools/misc/xenlockprof +tools/misc/lowmemd tools/pygrub/build/* tools/python/build/* tools/python/xen/util/path.py diff --git a/xen/common/page_alloc.c b/xen/common/page_alloc.c index 7cb16940c8..e3b84f9557 100644 --- a/xen/common/page_alloc.c +++ b/xen/common/page_alloc.c @@ -373,7 +373,10 @@ static void __init setup_low_mem_virq(void) static void check_low_mem_virq(void) { - if ( unlikely(total_avail_pages <= low_mem_virq_th) ) + unsigned long avail_pages = total_avail_pages + + opt_tmem ? tmem_freeable_pages() : 0; + + if ( unlikely(avail_pages <= low_mem_virq_th) ) { send_global_virq(VIRQ_ENOMEM); @@ -387,7 +390,7 @@ static void check_low_mem_virq(void) return; } - if ( unlikely(total_avail_pages >= low_mem_virq_high) ) + if ( unlikely(avail_pages >= low_mem_virq_high) ) { /* Reset hysteresis. Bring threshold up one order. * If we are back where originally set, set high |