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| author | alc <alc@FreeBSD.org> | 2003-01-14 06:57:03 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2003-01-14 06:57:03 +0000 |
| commit | c7ca47fcc7cd393f626b58b6b5e5c6d1c05494d9 (patch) | |
| tree | 24db1344150e130dd55fba25b85388b5264f1cb1 /sys/vm/vm_pageout.c | |
| parent | 8f97c15f80b1b5c708048e55765ff56df527eb82 (diff) | |
| download | FreeBSD-src-c7ca47fcc7cd393f626b58b6b5e5c6d1c05494d9.zip FreeBSD-src-c7ca47fcc7cd393f626b58b6b5e5c6d1c05494d9.tar.gz | |
- Update vm_pageout_deficit using atomic operations. It's a simple
counter outside the scope of existing locks.
- Eliminate a redundant clearing of vm_pageout_deficit.
Diffstat (limited to 'sys/vm/vm_pageout.c')
| -rw-r--r-- | sys/vm/vm_pageout.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/sys/vm/vm_pageout.c b/sys/vm/vm_pageout.c index 84d4cac..ec759db 100644 --- a/sys/vm/vm_pageout.c +++ b/sys/vm/vm_pageout.c @@ -694,8 +694,7 @@ vm_pageout_scan(int pass) */ vm_pageout_pmap_collect(); - addl_page_shortage_init = vm_pageout_deficit; - vm_pageout_deficit = 0; + addl_page_shortage_init = atomic_readandclear_int(&vm_pageout_deficit); /* * Calculate the number of pages we want to either free or move @@ -1479,7 +1478,6 @@ vm_pageout() cnt.v_pdwakeups++; splx(s); vm_pageout_scan(pass); - vm_pageout_deficit = 0; } } |
