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staging: ramster: decrease foregin pers pages when count < 0

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commit 9a5c59687a ("staging: ramster: Provide accessory functions for
counter decrease") forget decrease foregin pers pages, this patch fix
it.

Acked-by: Dan Magenheimer <dan.magenheimer@oracle.com>
Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wanpeng Li 2013-04-12 09:31:21 +08:00 • committed by Greg Kroah-Hartman
parent c400c1e1c4
commit c067ad1124
1 changed files with 1 additions and 0 deletions
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drivers/staging/zcache/ramster/ramster.c
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@ -508,6 +508,7 @@ void ramster_count_foreign_pages(bool eph, int count)
if (count > 0) {
inc_ramster_foreign_pers_pages();
} else {
dec_ramster_foreign_pers_pages();
WARN_ON_ONCE(ramster_foreign_pers_pages < 0);
}
}