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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-05-19 17:00:06 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-05-19 17:00:06 +1000 |
| commit | 4c8440666b995f20604852b35dcfdbcc1d5931f1 (patch) | |
| tree | b3b6cd65ee275ba1adf9d2c050063f30ebbadb91 /arch/s390/include/asm/diag.h | |
| parent | 751e1f5099f1568444fe2485f2485ca541d4952e (diff) | |
| parent | c560bbceaf6b06e52f1ef20131b76a3fdc0a2c19 (diff) | |
Merge branch 'merge' into next
Diffstat (limited to 'arch/s390/include/asm/diag.h')
| -rw-r--r-- | arch/s390/include/asm/diag.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/arch/s390/include/asm/diag.h b/arch/s390/include/asm/diag.h index 72b2e2f2d32..7e91c58072e 100644 --- a/arch/s390/include/asm/diag.h +++ b/arch/s390/include/asm/diag.h @@ -9,9 +9,22 @@ #define _ASM_S390_DIAG_H /* - * Diagnose 10: Release pages + * Diagnose 10: Release page range */ -extern void diag10(unsigned long addr); +static inline void diag10_range(unsigned long start_pfn, unsigned long num_pfn) +{ + unsigned long start_addr, end_addr; + + start_addr = start_pfn << PAGE_SHIFT; + end_addr = (start_pfn + num_pfn - 1) << PAGE_SHIFT; + + asm volatile( + "0: diag %0,%1,0x10\n" + "1:\n" + EX_TABLE(0b, 1b) + EX_TABLE(1b, 1b) + : : "a" (start_addr), "a" (end_addr)); +} /* * Diagnose 14: Input spool file manipulation |