xen: remove highmem remnants

There are some references to highmem left in Xen pv specific code which
can be removed.

Signed-off-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20211028081221.2475-4-jgross@suse.com
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
index 3123496..5004feb 100644 (file)
--- a/arch/x86/xen/enlighten_pv.c
+++ b/arch/x86/xen/enlighten_pv.c
@@ -27,7 +27,6 @@
 #include <linux/export.h>
 #include <linux/mm.h>
 #include <linux/page-flags.h>
-#include <linux/highmem.h>
 #include <linux/pci.h>
 #include <linux/gfp.h>
 #include <linux/edd.h>
@@ -1229,12 +1228,6 @@ asmlinkage __visible void __init xen_start_kernel(void)
        __supported_pte_mask &= ~_PAGE_GLOBAL;
        __default_kernel_pte_mask &= ~_PAGE_GLOBAL;
 
-       /*
-        * Prevent page tables from being allocated in highmem, even
-        * if CONFIG_HIGHPTE is enabled.
-        */
-       __userpte_alloc_gfp &= ~__GFP_HIGHMEM;
-
        /* Get mfn list */
        xen_build_dynamic_phys_to_machine();
 

diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c
index 325a679..dee8da2 100644 (file)
--- a/arch/x86/xen/mmu_pv.c
+++ b/arch/x86/xen/mmu_pv.c
@@ -41,7 +41,6 @@
  * Jeremy Fitzhardinge <jeremy@xensource.com>, XenSource Inc, 2007
  */
 #include <linux/sched/mm.h>
-#include <linux/highmem.h>
 #include <linux/debugfs.h>
 #include <linux/bug.h>
 #include <linux/vmalloc.h>