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Commit 1e7371c1 authored by Jeff Dike's avatar Jeff Dike Committed by Linus Torvalds
Browse files

uml: only flush areas covered by VMA 



When doing a full address space flush, only look at areas covered by a VMA.

Signed-off-by: default avatarJeff Dike <jdike@linux.intel.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 16dd07bc

arch/um/kernel/skas/tlb.c

+7 −2
Original line number Diff line number Diff line
@@ -89,8 +89,13 @@ void flush_tlb_mm_skas(struct mm_struct *mm) 


void force_flush_all_skas(void)

{

	unsigned long end = proc_mm ? task_size : CONFIG_STUB_START;

        fix_range(current->mm, 0, end, 1);

	struct mm_struct *mm = current->mm;

	struct vm_area_struct *vma = mm->mmap;



	while(vma != NULL) {

		fix_range(mm, vma->vm_start, vma->vm_end, 1);

		vma = vma->vm_next;

	}

}



void flush_tlb_page_skas(struct vm_area_struct *vma, unsigned long address)