The patch titled Subject: mm: page_owner: use kstrtobool() to parse bool option has been added to the -mm tree. Its filename is mm-page_owner-use-kstrtobool-to-parse-bool-option.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/mm-page_owner-use-kstrtobool-to-parse-bool-option.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/mm-page_owner-use-kstrtobool-to-parse-bool-option.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: Sergei Trofimovich <slyfox@xxxxxxxxxx> Subject: mm: page_owner: use kstrtobool() to parse bool option I tried to use page_owner=1 for a while noticed too late it had no effect as opposed to similar init_on_alloc=1 (these work). Let's make them consistent. The change decreses binary size slightly: text data bss dec hex filename 12408 321 17 12746 31ca mm/page_owner.o.before 12320 321 17 12658 3172 mm/page_owner.o.after Link: https://lkml.kernel.org/r/20210401210909.3532086-1-slyfox@xxxxxxxxxx Signed-off-by: Sergei Trofimovich <slyfox@xxxxxxxxxx> Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/page_owner.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) --- a/mm/page_owner.c~mm-page_owner-use-kstrtobool-to-parse-bool-option +++ a/mm/page_owner.c @@ -42,13 +42,7 @@ static void init_early_allocated_pages(v static int __init early_page_owner_param(char *buf) { - if (!buf) - return -EINVAL; - - if (strcmp(buf, "on") == 0) - page_owner_enabled = true; - - return 0; + return kstrtobool(buf, &page_owner_enabled); } early_param("page_owner", early_page_owner_param); _ Patches currently in -mm which might be from slyfox@xxxxxxxxxx are ia64-fix-user_stack_pointer-for-ptrace.patch ia64-drop-unused-ia64_fw_emu-ifdef.patch ia64-simplify-code-flow-around-swiotlb-init.patch ia64-fix-efi_debug-build.patch ia64-mca-always-make-ia64_mca_debug-an-expression.patch mm-page_owner-fetch-backtrace-only-for-tracked-pages.patch mm-page_owner-use-kstrtobool-to-parse-bool-option.patch mm-page_alloc-ignore-init_on_free=1-for-debug_pagealloc=1.patch