return -ENOMEM;
}
-EXPORT_SYMBOL(sysctl_overcommit_memory);
-EXPORT_SYMBOL(sysctl_overcommit_ratio);
-EXPORT_SYMBOL(sysctl_max_map_count);
-EXPORT_SYMBOL(vm_committed_space);
EXPORT_SYMBOL(__vm_enough_memory);
/*
error = file->f_op->mmap(file, vma);
if (error)
goto unmap_and_free_vma;
- if ((vma->vm_flags & (VM_SHARED | VM_WRITE | VM_RESERVED))
- == (VM_WRITE | VM_RESERVED)) {
- printk(KERN_WARNING "program %s is using MAP_PRIVATE, "
- "PROT_WRITE mmap of VM_RESERVED memory, which "
- "is deprecated. Please report this to "
- "linux-kernel@vger.kernel.org\n",current->comm);
- if (vma->vm_ops && vma->vm_ops->close)
- vma->vm_ops->close(vma);
- error = -EACCES;
- goto unmap_and_free_vma;
- }
} else if (vm_flags & VM_SHARED) {
error = shmem_zero_setup(vma);
if (error)
* PA-RISC uses this for its stack; IA64 for its Register Backing Store.
* vma is the last one with address > vma->vm_end. Have to extend vma.
*/
-#ifdef CONFIG_STACK_GROWSUP
+#ifndef CONFIG_IA64
static inline
#endif
int expand_upwards(struct vm_area_struct *vma, unsigned long address)
lru_add_drain();
tlb = tlb_gather_mmu(mm, 0);
update_hiwater_rss(mm);
- spin_lock(&mm->page_table_lock);
- unmap_vmas(&tlb, mm, vma, start, end, &nr_accounted, NULL);
- spin_unlock(&mm->page_table_lock);
+ unmap_vmas(&tlb, vma, start, end, &nr_accounted, NULL);
vm_unacct_memory(nr_accounted);
free_pgtables(&tlb, vma, prev? prev->vm_end: FIRST_USER_ADDRESS,
next? next->vm_start: 0);
static inline void verify_mm_writelocked(struct mm_struct *mm)
{
-#ifdef CONFIG_DEBUG_KERNEL
+#ifdef CONFIG_DEBUG_VM
if (unlikely(down_read_trylock(&mm->mmap_sem))) {
WARN_ON(1);
up_read(&mm->mmap_sem);
tlb = tlb_gather_mmu(mm, 1);
/* Don't update_hiwater_rss(mm) here, do_exit already did */
/* Use -1 here to ensure all VMAs in the mm are unmapped */
- spin_lock(&mm->page_table_lock);
- end = unmap_vmas(&tlb, mm, vma, 0, -1, &nr_accounted, NULL);
- spin_unlock(&mm->page_table_lock);
+ end = unmap_vmas(&tlb, vma, 0, -1, &nr_accounted, NULL);
vm_unacct_memory(nr_accounted);
free_pgtables(&tlb, vma, FIRST_USER_ADDRESS, 0);
tlb_finish_mmu(tlb, 0, end);