From: Yisheng Xie <xieyisheng1@xxxxxxxxxx> Subject: mm/huge_memory.c: fix comment in __split_huge_pmd_locked pmd_trans_splitting() was removed after THP refcounting redesign, therefore related comment should be updated. Link: http://lkml.kernel.org/r/1512625745-59451-1-git-send-email-xieyisheng1@xxxxxxxxxx Signed-off-by: Yisheng Xie <xieyisheng1@xxxxxxxxxx> Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/huge_memory.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff -puN mm/huge_memory.c~mm-huge_memory-fix-comment-in-__split_huge_pmd_locked mm/huge_memory.c --- a/mm/huge_memory.c~mm-huge_memory-fix-comment-in-__split_huge_pmd_locked +++ a/mm/huge_memory.c @@ -2205,10 +2205,9 @@ static void __split_huge_pmd_locked(stru * for the same virtual address to be loaded simultaneously. So instead * of doing "pmd_populate(); flush_pmd_tlb_range();" we first mark the * current pmd notpresent (atomically because here the pmd_trans_huge - * and pmd_trans_splitting must remain set at all times on the pmd - * until the split is complete for this pmd), then we flush the SMP TLB - * and finally we write the non-huge version of the pmd entry with - * pmd_populate. + * must remain set at all times on the pmd until the split is complete + * for this pmd), then we flush the SMP TLB and finally we write the + * non-huge version of the pmd entry with pmd_populate. */ pmdp_invalidate(vma, haddr, pmd); pmd_populate(mm, pmd, pgtable); _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
