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authorPaul Mundt <lethal@linux-sh.org>2012-01-12 13:11:43 +0900
committerPaul Mundt <lethal@linux-sh.org>2012-01-12 13:11:43 +0900
commitb1bdd255661369cb6eb90b6e181169b5e6d0f9b6 (patch)
tree17d15f3a6dc5bdd6205070dbef0e339421b13d25 /arch/s390/mm/pgtable.c
parent9d14070f656addddce3d63fd483de46930b51850 (diff)
parentc1537b4863da620f12f5b42ece61bf65314148ed (diff)
Merge branch 'sh/nommu' into sh-latest
Diffstat (limited to 'arch/s390/mm/pgtable.c')
-rw-r--r--arch/s390/mm/pgtable.c14
1 files changed, 3 insertions, 11 deletions
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index 301c84d3b54..9a4d02f64f1 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -33,17 +33,6 @@
#define FRAG_MASK 0x03
#endif
-unsigned long VMALLOC_START = VMALLOC_END - VMALLOC_SIZE;
-EXPORT_SYMBOL(VMALLOC_START);
-
-static int __init parse_vmalloc(char *arg)
-{
- if (!arg)
- return -EINVAL;
- VMALLOC_START = (VMALLOC_END - memparse(arg, &arg)) & PAGE_MASK;
- return 0;
-}
-early_param("vmalloc", parse_vmalloc);
unsigned long *crst_table_alloc(struct mm_struct *mm)
{
@@ -267,7 +256,10 @@ static int gmap_alloc_table(struct gmap *gmap,
struct page *page;
unsigned long *new;
+ /* since we dont free the gmap table until gmap_free we can unlock */
+ spin_unlock(&gmap->mm->page_table_lock);
page = alloc_pages(GFP_KERNEL, ALLOC_ORDER);
+ spin_lock(&gmap->mm->page_table_lock);
if (!page)
return -ENOMEM;
new = (unsigned long *) page_to_phys(page);