diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2000-02-24 00:12:35 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2000-02-24 00:12:35 +0000 |
| commit | 482368b1a8e45430672c58c9a42e7d2004367126 (patch) | |
| tree | ce2a1a567d4d62dee7c2e71a46a99cf72cf1d606 /include/asm-ia64/page.h | |
| parent | e4d0251c6f56ab2e191afb70f80f382793e23f74 (diff) | |
Merge with 2.3.47. Guys, this is buggy as shit. You've been warned.
Diffstat (limited to 'include/asm-ia64/page.h')
| -rw-r--r-- | include/asm-ia64/page.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/asm-ia64/page.h b/include/asm-ia64/page.h index 64d044599..53eb9f963 100644 --- a/include/asm-ia64/page.h +++ b/include/asm-ia64/page.h @@ -127,6 +127,18 @@ typedef union ia64_va { #define BUG() do { printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); *(int *)0=0; } while (0) #define PAGE_BUG(page) do { BUG(); } while (0) +extern __inline__ int get_order(unsigned long size) +{ + double d = size - 1; + long order; + + __asm__ ("getf.exp %0=%1" : "=r"(order) : "f"(d)); + order = order - PAGE_SHIFT - 0xffff + 1; + if (order < 0) + order = 0; + return order; +} + #endif /* !ASSEMBLY */ #define PAGE_OFFSET 0xe000000000000000 |