MADV_FREE internal logic can be invoked with batching tlb flushes. Update vector_madvise(), which is called for process_madvise(), to use that in the efficient way, by passing an mmu_gather object that it initializes before starting the work, and flushing the tlb entries at once after all the internal works are done. Signed-off-by: SeongJae Park <sj@xxxxxxxxxx> --- mm/madvise.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/madvise.c b/mm/madvise.c index efa4184d6cf5..f1beadb6176a 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -968,7 +968,8 @@ static long madvise_dontneed_free(struct vm_area_struct *vma, return madvise_dontneed_single_vma( madv_behavior->tlb, vma, start, end); else if (behavior == MADV_FREE) - return madvise_free_single_vma(NULL, vma, start, end); + return madvise_free_single_vma( + madv_behavior->tlb, vma, start, end); else return -EINVAL; } -- 2.39.5
