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xen: arm: enable balloon driver 

The code is now in a state where can just enable it.

Drop the *_xenballloned_pages duplicates since these are now supplied
by the balloon code.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Ian Campbell 2012-10-03 12:28:26 +01:00
parent c2374bf57e
commit c61ba7291b
2 changed files with 7 additions and 20 deletions
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23
arch/arm/xen/enlighten.c
View File

@ -8,6 +8,7 @@
#include <xen/features.h>
#include <xen/platform_pci.h>
#include <xen/xenbus.h>
#include <xen/page.h>
#include <asm/xen/hypervisor.h>
#include <asm/xen/hypercall.h>
#include <linux/interrupt.h>
@ -29,6 +30,10 @@ struct shared_info *HYPERVISOR_shared_info = (void *)&xen_dummy_shared_info;
DEFINE_PER_CPU(struct vcpu_info *, xen_vcpu);
/* These are unused until we support booting "pre-ballooned" */
unsigned long xen_released_pages;
struct xen_memory_region xen_extra_mem[XEN_EXTRA_MEM_MAX_REGIONS] __initdata;
/* TODO: to be removed */
__read_mostly int xen_have_vector_callback;
EXPORT_SYMBOL_GPL(xen_have_vector_callback);
@ -148,21 +153,3 @@ static int __init xen_init_events(void)
return 0;
}
postcore_initcall(xen_init_events);
/* XXX: only until balloon is properly working */
int alloc_xenballooned_pages(int nr_pages, struct page **pages, bool highmem)
{
*pages = alloc_pages(highmem ? GFP_HIGHUSER : GFP_KERNEL,
get_order(nr_pages));
if (*pages == NULL)
return -ENOMEM;
return 0;
}
EXPORT_SYMBOL_GPL(alloc_xenballooned_pages);
void free_xenballooned_pages(int nr_pages, struct page **pages)
{
kfree(*pages);
*pages = NULL;
}
EXPORT_SYMBOL_GPL(free_xenballooned_pages);

4
drivers/xen/Makefile
View File

@ -1,8 +1,8 @@
ifneq ($(CONFIG_ARM),y)
obj-y += manage.o balloon.o
obj-y += manage.o
obj-$(CONFIG_HOTPLUG_CPU) += cpu_hotplug.o
endif
obj-y += grant-table.o features.o events.o
obj-y += grant-table.o features.o events.o balloon.o
obj-y += xenbus/
nostackp := $(call cc-option, -fno-stack-protector)