diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/highmem.c | 6 | ||||
| -rw-r--r-- | mm/memory.c | 2 |
2 files changed, 6 insertions, 2 deletions
diff --git a/mm/highmem.c b/mm/highmem.c index b32b70c..b1c7d43 100644 --- a/mm/highmem.c +++ b/mm/highmem.c @@ -29,10 +29,11 @@ #include <linux/kgdb.h> #include <asm/tlbflush.h> - +#ifndef CONFIG_PREEMPT_RT_FULL #if defined(CONFIG_HIGHMEM) || defined(CONFIG_X86_32) DEFINE_PER_CPU(int, __kmap_atomic_idx); #endif +#endif /* * Virtual_count is not a pure "count". @@ -47,8 +48,9 @@ DEFINE_PER_CPU(int, __kmap_atomic_idx); unsigned long totalhigh_pages __read_mostly; EXPORT_SYMBOL(totalhigh_pages); - +#ifndef CONFIG_PREEMPT_RT_FULL EXPORT_PER_CPU_SYMBOL(__kmap_atomic_idx); +#endif unsigned int nr_free_highpages (void) { diff --git a/mm/memory.c b/mm/memory.c index 06e0da6..068dc06 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3750,6 +3750,7 @@ unlock: #ifdef CONFIG_PREEMPT_RT_FULL void pagefault_disable(void) { + migrate_disable(); current->pagefault_disabled++; /* * make sure to have issued the store before a pagefault @@ -3767,6 +3768,7 @@ void pagefault_enable(void) */ barrier(); current->pagefault_disabled--; + migrate_enable(); } EXPORT_SYMBOL(pagefault_enable); #endif |