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author | David S. Miller <davem@davemloft.net> | 2009-02-03 00:15:35 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2009-02-03 00:15:35 -0800 |
commit | b3ff29d2ccfe3af065a9b393699a8fbf2abd1b15 (patch) | |
tree | 99e5b423473097756353d038f922b2623f3edd2a /drivers/xen/balloon.c | |
parent | 1bded710a574f20d41bc9e7fb531301db282d623 (diff) | |
parent | fb53fde9762432d091dac209bdf4f3f850117c55 (diff) | |
download | linux-b3ff29d2ccfe3af065a9b393699a8fbf2abd1b15.tar.gz linux-b3ff29d2ccfe3af065a9b393699a8fbf2abd1b15.tar.bz2 linux-b3ff29d2ccfe3af065a9b393699a8fbf2abd1b15.zip |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/Kconfig
Diffstat (limited to 'drivers/xen/balloon.c')
-rw-r--r-- | drivers/xen/balloon.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 2ba8f95516a0..efa4b363ce72 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -498,7 +498,7 @@ static ssize_t store_target_kb(struct sys_device *dev, if (!capable(CAP_SYS_ADMIN)) return -EPERM; - target_bytes = memparse(buf, &endchar); + target_bytes = simple_strtoull(buf, &endchar, 0) * 1024; balloon_set_new_target(target_bytes >> PAGE_SHIFT); @@ -508,8 +508,39 @@ static ssize_t store_target_kb(struct sys_device *dev, static SYSDEV_ATTR(target_kb, S_IRUGO | S_IWUSR, show_target_kb, store_target_kb); + +static ssize_t show_target(struct sys_device *dev, struct sysdev_attribute *attr, + char *buf) +{ + return sprintf(buf, "%llu\n", + (u64)balloon_stats.target_pages << PAGE_SHIFT); +} + +static ssize_t store_target(struct sys_device *dev, + struct sysdev_attribute *attr, + const char *buf, + size_t count) +{ + char *endchar; + unsigned long long target_bytes; + + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + + target_bytes = memparse(buf, &endchar); + + balloon_set_new_target(target_bytes >> PAGE_SHIFT); + + return count; +} + +static SYSDEV_ATTR(target, S_IRUGO | S_IWUSR, + show_target, store_target); + + static struct sysdev_attribute *balloon_attrs[] = { &attr_target_kb, + &attr_target, }; static struct attribute *balloon_info_attrs[] = { |