Cced David Gibson who add this comment on powerpc part. On Wed, Sep 04, 2013 at 12:50:23PM -0400, Naoya Horiguchi wrote: >The callers of free_pgd_range() and hugetlb_free_pgd_range() don't hold >page table locks. The comments seems to be obsolete, so let's remove them. > >Signed-off-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> >--- > arch/powerpc/mm/hugetlbpage.c | 2 -- > mm/memory.c | 2 -- > 2 files changed, 4 deletions(-) > >diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c >index 7e56cb7..31c20e2 100644 >--- a/arch/powerpc/mm/hugetlbpage.c >+++ b/arch/powerpc/mm/hugetlbpage.c >@@ -635,8 +635,6 @@ static void hugetlb_free_pud_range(struct mmu_gather *tlb, pgd_t *pgd, > > /* > * This function frees user-level page tables of a process. >- * >- * Must be called with pagetable lock held. > */ > void hugetlb_free_pgd_range(struct mmu_gather *tlb, > unsigned long addr, unsigned long end, >diff --git a/mm/memory.c b/mm/memory.c >index 6827a35..8c97ef0 100644 >--- a/mm/memory.c >+++ b/mm/memory.c >@@ -478,8 +478,6 @@ static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd, > > /* > * This function frees user-level page tables of a process. >- * >- * Must be called with pagetable lock held. > */ > void free_pgd_range(struct mmu_gather *tlb, > unsigned long addr, unsigned long end, >-- >1.8.3.1 > >-- >To unsubscribe, send a message with 'unsubscribe linux-mm' in >the body to majordomo@xxxxxxxxx. For more info on Linux MM, >see: http://www.linux-mm.org/ . >Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>