From 06f521d5d67a23d91add6f1beb73edc6f2b70d0c Mon Sep 17 00:00:00 2001 From: Daniel Kiper Date: Tue, 8 Mar 2011 22:45:46 +0100 Subject: xen/balloon: Removal of driver_pages Removal of driver_pages (I do not have seen any references to it). Signed-off-by: Daniel Kiper Signed-off-by: Konrad Rzeszutek Wilk diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 5e92b61..e7c378e 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -78,8 +78,7 @@ /* * Protects atomic reservation decrease/increase against concurrent increases. - * Also protects non-atomic updates of current_pages and driver_pages, and - * balloon lists. + * Also protects non-atomic updates of current_pages and balloon lists. */ DEFINE_SPINLOCK(xen_reservation_lock); diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 43f9f02..b4206fd 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -70,11 +70,6 @@ struct balloon_stats { /* We aim for 'current allocation' == 'target allocation'. */ unsigned long current_pages; unsigned long target_pages; - /* - * Drivers may alter the memory reservation independently, but they - * must inform the balloon driver so we avoid hitting the hard limit. - */ - unsigned long driver_pages; /* Number of pages in high- and low-memory balloons. */ unsigned long balloon_low; unsigned long balloon_high; @@ -404,7 +399,6 @@ static int __init balloon_init(void) balloon_stats.target_pages = balloon_stats.current_pages; balloon_stats.balloon_low = 0; balloon_stats.balloon_high = 0; - balloon_stats.driver_pages = 0UL; init_timer(&balloon_timer); balloon_timer.data = 0; @@ -462,7 +456,6 @@ module_exit(balloon_exit); BALLOON_SHOW(current_kb, "%lu\n", PAGES2KB(balloon_stats.current_pages)); BALLOON_SHOW(low_kb, "%lu\n", PAGES2KB(balloon_stats.balloon_low)); BALLOON_SHOW(high_kb, "%lu\n", PAGES2KB(balloon_stats.balloon_high)); -BALLOON_SHOW(driver_kb, "%lu\n", PAGES2KB(balloon_stats.driver_pages)); static ssize_t show_target_kb(struct sys_device *dev, struct sysdev_attribute *attr, char *buf) @@ -531,7 +524,6 @@ static struct attribute *balloon_info_attrs[] = { &attr_current_kb.attr, &attr_low_kb.attr, &attr_high_kb.attr, - &attr_driver_kb.attr, NULL }; -- cgit v0.10.2