The patch titled Subject: fs/proc/task_mmu.c: remove redundant page validation of pte_page has been added to the -mm tree. Its filename is mm-proc-remove-redundant-page-validation-of-pte_page.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/mm-proc-remove-redundant-page-validation-of-pte_page.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/mm-proc-remove-redundant-page-validation-of-pte_page.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Xianting Tian <xianting.tian@xxxxxxxxxxxxxxxxx> Subject: fs/proc/task_mmu.c: remove redundant page validation of pte_page pte_page() always returns a valid page, so remove the redundant page validation, as we did in many other places. Link: https://lkml.kernel.org/r/20220316025947.328276-1-xianting.tian@xxxxxxxxxxxxxxxxx Signed-off-by: Xianting Tian <xianting.tian@xxxxxxxxxxxxxxxxx> Reviewed-by: Chaitanya Kulkarni <kch@xxxxxxxxxx> Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx> Cc: Yang Shi <shy828301@xxxxxxxxx> Cc: Sasha Levin <sashal@xxxxxxxxxx> Cc: Miaohe Lin <linmiaohe@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/proc/task_mmu.c | 2 -- 1 file changed, 2 deletions(-) --- a/fs/proc/task_mmu.c~mm-proc-remove-redundant-page-validation-of-pte_page +++ a/fs/proc/task_mmu.c @@ -1873,8 +1873,6 @@ static int gather_hugetlb_stats(pte_t *p return 0; page = pte_page(huge_pte); - if (!page) - return 0; md = walk->private; gather_stats(page, md, pte_dirty(huge_pte), 1); _ Patches currently in -mm which might be from xianting.tian@xxxxxxxxxxxxxxxxx are mm-proc-remove-redundant-page-validation-of-pte_page.patch