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| author | Ingo Molnar <mingo@kernel.org> | 2015-03-05 20:52:18 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-03-05 20:52:18 +0100 |
| commit | 33ca8a53f262b4af40611bea331b8c87d133af72 (patch) | |
| tree | d6468c820a556c4915bcb5b761204a0fb19e8225 /arch/s390/mm/init.c | |
| parent | db2dcb4f91d5fec5c346a82c309187ee821e2495 (diff) | |
| parent | 13a7a6ac0a11197edcd0f756a035f472b42cdf8b (diff) | |
Merge tag 'v4.0-rc2' into irq/core, to refresh the tree before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/s390/mm/init.c')
| -rw-r--r-- | arch/s390/mm/init.c | 9 |
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) |