The patch titled Subject: mm/page_ext: remove unused return value of offline_page_ext has been added to the -mm mm-unstable branch. Its filename is mm-page_ext-remove-unused-return-value-of-offline_page_ext.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-page_ext-remove-unused-return-value-of-offline_page_ext.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm 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 via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx> Subject: mm/page_ext: remove unused return value of offline_page_ext Date: Fri, 14 Jul 2023 19:47:47 +0800 Patch series "minor cleanups for page_ext". This series contains some random minor cleanups for page_ext. More details can be found in respective patches. This patch (of 3): offline_page_ext always returns 0 and no caller checks the return value. Just remove unused return value of offline_page_ext. Link: https://lkml.kernel.org/r/20230714114749.1743032-1-shikemeng@xxxxxxxxxxxxxxx Link: https://lkml.kernel.org/r/20230714114749.1743032-2-shikemeng@xxxxxxxxxxxxxxx Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx> Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/page_ext.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) --- a/mm/page_ext.c~mm-page_ext-remove-unused-return-value-of-offline_page_ext +++ a/mm/page_ext.c @@ -430,7 +430,7 @@ static int __meminit online_page_ext(uns return -ENOMEM; } -static int __meminit offline_page_ext(unsigned long start_pfn, +static void __meminit offline_page_ext(unsigned long start_pfn, unsigned long nr_pages) { unsigned long start, end, pfn; @@ -454,8 +454,6 @@ static int __meminit offline_page_ext(un for (pfn = start; pfn < end; pfn += PAGES_PER_SECTION) __free_page_ext(pfn); - return 0; - } static int __meminit page_ext_callback(struct notifier_block *self, _ Patches currently in -mm which might be from shikemeng@xxxxxxxxxxxxxxx are mm-correct-stale-comment-of-function-check_pte.patch mm-page_table_check-remove-unused-parameters-in-page_table_check_clear.patch mm-page_table_check-remove-unused-parameters-in-page_table_check_set.patch mm-page_table_check-remove-unused-parameter-in-page_table_check_pte_clear.patch mm-page_table_check-remove-unused-parameter-in-page_table_check_pmd_clear.patch mm-page_table_check-remove-unused-parameter-in-page_table_check_pud_clear.patch mm-page_table_check-remove-unused-parameter-in-page_table_check_pte_set.patch mm-page_table_check-remove-unused-parameter-in-page_table_check_pmd_set.patch mm-page_table_check-remove-unused-parameter-in-page_table_check_pud_set.patch mm-page_ext-remove-unused-return-value-of-offline_page_ext.patch mm-page_ext-remove-rollback-for-untouched-mem_section-in-online_page_ext.patch mm-page_ext-move-functions-around-for-minor-cleanups-to-page_ext.patch