AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

[S390] Change kernel_page_present coding style.

Browse Source 
Make the inline assembly look like all others.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2009-09-22 22:58:46 +02:00 committed by Martin Schwidefsky
parent 2583d1efe0
commit 87458ff458
1 changed files with 7 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
arch/s390/mm/pgtable.c
View File

@ -314,21 +314,18 @@ int s390_enable_sie(void)
}
EXPORT_SYMBOL_GPL(s390_enable_sie);
#ifdef CONFIG_DEBUG_PAGEALLOC
#ifdef CONFIG_HIBERNATION
#if defined(CONFIG_DEBUG_PAGEALLOC) && defined(CONFIG_HIBERNATION)
bool kernel_page_present(struct page *page)
{
unsigned long addr;
int cc;
addr = page_to_phys(page);
asm("lra %1,0(%1)\n"
"ipm %0\n"
"srl %0,28"
:"=d"(cc),"+a"(addr)::"cc");
asm volatile(
" lra %1,0(%1)\n"
" ipm %0\n"
" srl %0,28"
: "=d" (cc), "+a" (addr) : : "cc");
return cc == 0;
}
#endif /* CONFIG_HIBERNATION */
#endif /* CONFIG_DEBUG_PAGEALLOC */
#endif /* CONFIG_HIBERNATION && CONFIG_DEBUG_PAGEALLOC */