aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/xen
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2009-01-31 11:32:31 -0500
committerIngo Molnar <mingo@elte.hu>2009-02-05 16:30:01 -0500
commit9d45cf9e36bf9bcf16df6e1cbf049807c8402823 (patch)
tree2118a16701418af10d215d2174df7ee0a5cbe6bd /drivers/xen
parenta146649bc19d5eba4f5bfac6720c5f252d517a71 (diff)
parent0cd5c3c80a0ebd68c08312fa7d8c13149cc61c4c (diff)
Merge branch 'x86/urgent' into x86/apic
Conflicts: arch/x86/mach-default/setup.c Semantic merge: arch/x86/kernel/irqinit_32.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/balloon.c33
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,
498 if (!capable(CAP_SYS_ADMIN)) 498 if (!capable(CAP_SYS_ADMIN))
499 return -EPERM; 499 return -EPERM;
500 500
501 target_bytes = memparse(buf, &endchar); 501 target_bytes = simple_strtoull(buf, &endchar, 0) * 1024;
502 502
503 balloon_set_new_target(target_bytes >> PAGE_SHIFT); 503 balloon_set_new_target(target_bytes >> PAGE_SHIFT);
504 504
@@ -508,8 +508,39 @@ static ssize_t store_target_kb(struct sys_device *dev,
508static SYSDEV_ATTR(target_kb, S_IRUGO | S_IWUSR, 508static SYSDEV_ATTR(target_kb, S_IRUGO | S_IWUSR,
509 show_target_kb, store_target_kb); 509 show_target_kb, store_target_kb);
510 510
511
512static ssize_t show_target(struct sys_device *dev, struct sysdev_attribute *attr,
513 char *buf)
514{
515 return sprintf(buf, "%llu\n",
516 (u64)balloon_stats.target_pages << PAGE_SHIFT);
517}
518
519static ssize_t store_target(struct sys_device *dev,
520 struct sysdev_attribute *attr,
521 const char *buf,
522 size_t count)
523{
524 char *endchar;
525 unsigned long long target_bytes;
526
527 if (!capable(CAP_SYS_ADMIN))
528 return -EPERM;
529
530 target_bytes = memparse(buf, &endchar);
531
532 balloon_set_new_target(target_bytes >> PAGE_SHIFT);
533
534 return count;
535}
536
537static SYSDEV_ATTR(target, S_IRUGO | S_IWUSR,
538 show_target, store_target);
539
540
511static struct sysdev_attribute *balloon_attrs[] = { 541static struct sysdev_attribute *balloon_attrs[] = {
512 &attr_target_kb, 542 &attr_target_kb,
543 &attr_target,
513}; 544};
514 545
515static struct attribute *balloon_info_attrs[] = { 546static struct attribute *balloon_info_attrs[] = {