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authorDaniel Kiper <dkiper@net-space.pl>2011-03-28 11:32:31 +0200
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2011-03-30 17:52:04 +0200
commita7f3c8f1da1050ad778c3a3930f07c63a5ec570b (patch)
tree6820a79adfbf6a14fc41931a2be1213739482eec /drivers/xen/balloon.c
parentLinux 2.6.39-rc1 (diff)
downloadlinux-a7f3c8f1da1050ad778c3a3930f07c63a5ec570b.tar.xz
linux-a7f3c8f1da1050ad778c3a3930f07c63a5ec570b.zip
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>
Diffstat (limited to 'drivers/xen/balloon.c')
-rw-r--r--drivers/xen/balloon.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index 043af8ad6b60..61665b2601bf 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -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),