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| author | David S. Miller <davem@davemloft.net> | 2006-03-20 10:17:17 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2006-03-20 10:17:17 +0100 |
| commit | f6b83f070e9b7ad9075f7cc5646260e56c7d0219 (patch) | |
| tree | 48586ca4f4c75ee3862f63be332351e78f2d5476 /include/asm-sparc64/page.h | |
| parent | [SPARC64]: CONFIG_BLK_DEV_RAM fix (diff) | |
| download | linux-f6b83f070e9b7ad9075f7cc5646260e56c7d0219.tar.xz linux-f6b83f070e9b7ad9075f7cc5646260e56c7d0219.zip | |
[SPARC64]: Fix 2 bugs in huge page support.
1) huge_pte_offset() did not check the page table hierarchy
elements as being empty correctly, resulting in an OOPS
2) Need platform specific hugetlb_get_unmapped_area() to handle
the top-down vs. bottom-up address space allocation strategies.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | include/asm-sparc64/page.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-sparc64/page.h b/include/asm-sparc64/page.h index f6b49256fe2b..fcb2812265f4 100644 --- a/include/asm-sparc64/page.h +++ b/include/asm-sparc64/page.h @@ -104,6 +104,7 @@ typedef unsigned long pgprot_t; #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) #define ARCH_HAS_SETCLEAR_HUGE_PTE #define ARCH_HAS_HUGETLB_PREFAULT_HOOK +#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA #endif #define TASK_UNMAPPED_BASE (test_thread_flag(TIF_32BIT) ? \ |