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| author | Nitin Gupta <nitin.m.gupta@oracle.com> | 2017-08-12 01:46:50 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-08-16 06:48:07 +0200 |
| commit | df7b2155bbe75525531e47c8a67ae4f1dbbae976 (patch) | |
| tree | 8a41a2304dc99e7fa024a5debef0ac9197231842 /arch/sparc/kernel/tsb.S | |
| parent | sparc64: Support huge PUD case in get_user_pages (diff) | |
| download | linux-df7b2155bbe75525531e47c8a67ae4f1dbbae976.tar.xz linux-df7b2155bbe75525531e47c8a67ae4f1dbbae976.zip | |
sparc64: Add 16GB hugepage support
Adds support for 16GB hugepage size. To use this page size
use kernel parameters as:
default_hugepagesz=16G hugepagesz=16G hugepages=10
Testing:
Tested with the stream benchmark which allocates 48G of
arrays backed by 16G hugepages and does RW operation on
them in parallel.
Orabug: 25362942
Cc: Anthony Yznaga <anthony.yznaga@oracle.com>
Reviewed-by: Bob Picco <bob.picco@oracle.com>
Signed-off-by: Nitin Gupta <nitin.m.gupta@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/tsb.S')
| -rw-r--r-- | arch/sparc/kernel/tsb.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/sparc/kernel/tsb.S b/arch/sparc/kernel/tsb.S index db872dbfafe9..f74115364b1e 100644 --- a/arch/sparc/kernel/tsb.S +++ b/arch/sparc/kernel/tsb.S @@ -117,7 +117,7 @@ tsb_miss_page_table_walk_sun4v_fastpath: /* Valid PTE is now in %g5. */ #if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE) - sethi %uhi(_PAGE_PMD_HUGE), %g7 + sethi %uhi(_PAGE_PMD_HUGE | _PAGE_PUD_HUGE), %g7 sllx %g7, 32, %g7 andcc %g5, %g7, %g0 |