#include <linux/percpu.h>
#include <linux/mm.h>
#include <linux/swap.h>
+#include <linux/preempt.h>
#include <asm/pgtable.h>
#include <asm/pgalloc.h>
{
struct mmu_gather *mp = &__get_cpu_var(mmu_gathers);
+ preempt_disable();
+
if (mp->tlb_nr) {
flush_tsb_user(mp);
}
mp->tlb_nr = 0;
}
+
+ preempt_enable();
}
void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr, pte_t *ptep, pte_t orig)