Commit a7f3c8f1 authored Mar 28, 2011 by Daniel Kiper Committed by Konrad Rzeszutek Wilk Mar 30, 2011

xen/balloon: Use PageHighMem() for high memory page detection



Replace pfn < max_low_pfn by !PageHighMem() in increase_reservation().
It makes more clearer what is going on.

Acked-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Signed-off-by: Daniel Kiper <dkiper@net-space.pl>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

parent 0ce790e7

drivers/xen/balloon.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -246,7 +246,7 @@ static enum bp_state increase_reservation(unsigned long nr_pages)
		set_phys_to_machine(pfn, frame_list[i]);

		/* Link back into the page tables if not highmem. */
		if (!xen_hvm_domain() && pfn < max_low_pfn) {
		if (!xen_hvm_domain() && !PageHighMem(page)) {
		int ret;
		ret = HYPERVISOR_update_va_mapping(
		(unsigned long)__va(pfn << PAGE_SHIFT),