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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2008-04-30 15:38:47 +0400 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-04-30 15:38:48 +0400 |
| commit | 17f345808563d2f425b2b15d60c4a5b00112e9eb (patch) | |
| tree | e12fe48f44c5d4d50cf1e92e679bc1badea0623a /include/asm-s390/page.h | |
| parent | 53492b1de46a7576170e865062ffcfc93bb5650b (diff) | |
| download | linux-17f345808563d2f425b2b15d60c4a5b00112e9eb.tar.xz | |
[S390] Convert to SPARSEMEM & SPARSEMEM_VMEMMAP
Convert s390 to SPARSEMEM and SPARSEMEM_VMEMMAP. We do a select
of SPARSEMEM_VMEMMAP since it is configurable. This is because
SPARSEMEM without SPARSEMEM_VMEMMAP gives us a hell of broken
include dependencies that I don't want to fix.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'include/asm-s390/page.h')
| -rw-r--r-- | include/asm-s390/page.h | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/include/asm-s390/page.h b/include/asm-s390/page.h index b01e6fc9a295..f0f4579eac13 100644 --- a/include/asm-s390/page.h +++ b/include/asm-s390/page.h @@ -125,26 +125,6 @@ page_get_storage_key(unsigned long addr) return skey; } -extern unsigned long max_pfn; - -static inline int pfn_valid(unsigned long pfn) -{ - unsigned long dummy; - int ccode; - - if (pfn >= max_pfn) - return 0; - - asm volatile( - " lra %0,0(%2)\n" - " ipm %1\n" - " srl %1,28\n" - : "=d" (dummy), "=d" (ccode) - : "a" (pfn << PAGE_SHIFT) - : "cc"); - return !ccode; -} - #endif /* !__ASSEMBLY__ */ /* to align the pointer to the (next) page boundary */ |