xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

sparc64: Add 64K page size support

Browse Source 
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>
This commit is contained in:
Nitin Gupta
2017-02-06 12:33:26 -08:00
committed by David S. Miller
parent c7d9f77d33
commit dcd1912d21
4 changed files with 52 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
arch/sparc/include/asm/page_64.h
View File

@@ -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__