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authorTrond Myklebust <trond.myklebust@primarydata.com>2015-02-18 07:28:37 -0800
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-02-18 07:28:37 -0800
commit65d2918e716afb89359cfa59734d76c1ff8700cb (patch)
tree4685404f96642243d62c3a1a823340913d087090 /arch/s390/mm/init.c
parentbf40e5561fd288a505d5d8d8bf45eef96fe7253d (diff)
parent338d00cfef07d74a072f96821c64b20f98517d72 (diff)
Merge branch 'cleanups'
Merge cleanups requested by Linus. * cleanups: (3 commits) pnfs: Refactor the *_layout_mark_request_commit to use pnfs_layout_mark_request_commit nfs: Can call nfs_clear_page_commit() instead nfs: Provide and use helper functions for marking a page as unstable
Diffstat (limited to 'arch/s390/mm/init.c')
-rw-r--r--arch/s390/mm/init.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index c7235e01fd67..d35b15113b17 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -71,13 +71,16 @@ static void __init setup_zero_pages(void)
break;
case 0x2827: /* zEC12 */
case 0x2828: /* zEC12 */
- default:
order = 5;
break;
+ case 0x2964: /* z13 */
+ default:
+ order = 7;
+ break;
}
/* Limit number of empty zero pages for small memory sizes */
- if (order > 2 && totalram_pages <= 16384)
- order = 2;
+ while (order > 2 && (totalram_pages >> 10) < (1UL << order))
+ order--;
empty_zero_page = __get_free_pages(GFP_KERNEL | __GFP_ZERO, order);
if (!empty_zero_page)