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| author | Nitin Gupta <nitin.m.gupta@oracle.com> | 2017-02-06 12:33:26 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-02-23 08:32:10 -0800 |
| commit | dcd1912d21a02534d1f0a9005d5ba3283f164780 (patch) | |
| tree | def29b12bc879448681dd58e40fae681f14d18a7 /arch/sparc/include/asm/page_64.h | |
| parent | c7d9f77d33a779ad582d8b2284ba007931ebd894 (diff) | |
| download | linux-dcd1912d21a02534d1f0a9005d5ba3283f164780.tar.gz linux-dcd1912d21a02534d1f0a9005d5ba3283f164780.tar.bz2 linux-dcd1912d21a02534d1f0a9005d5ba3283f164780.zip | |
sparc64: Add 64K page size support
This patch depends on:
[v6] sparc64: Multi-page size support
- Testing
Tested on Sonoma by running stream benchmark instance which allocated
48G worth of 64K pages.
boot params: default_hugepagesz=64K hugepagesz=64K hugepages=1310720
Signed-off-by: Nitin Gupta <nitin.m.gupta@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/include/asm/page_64.h')
| -rw-r--r-- | arch/sparc/include/asm/page_64.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/sparc/include/asm/page_64.h b/arch/sparc/include/asm/page_64.h index d76f38d4171b..f294dd42fc7d 100644 --- a/arch/sparc/include/asm/page_64.h +++ b/arch/sparc/include/asm/page_64.h @@ -18,6 +18,7 @@ #define HPAGE_SHIFT 23 #define REAL_HPAGE_SHIFT 22 #define HPAGE_256MB_SHIFT 28 +#define HPAGE_64K_SHIFT 16 #define REAL_HPAGE_SIZE (_AC(1,UL) << REAL_HPAGE_SHIFT) #if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE) @@ -26,7 +27,7 @@ #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA #define REAL_HPAGE_PER_HPAGE (_AC(1,UL) << (HPAGE_SHIFT - REAL_HPAGE_SHIFT)) -#define HUGE_MAX_HSTATE 2 +#define HUGE_MAX_HSTATE 3 #endif #ifndef __ASSEMBLY__ |