The patch titled Subject: lib/scatterlist: use sg_phys() helper has been added to the -mm mm-nonmm-unstable branch. Its filename is lib-scatterlist-use-sg_phys-helper.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/lib-scatterlist-use-sg_phys-helper.patch This patch will later appear in the mm-nonmm-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: Sui Jingfeng <sui.jingfeng@xxxxxxxxx> Subject: lib/scatterlist: use sg_phys() helper Date: Tue, 29 Oct 2024 02:29:20 +0800 This shorten the length of code in horizential direction, therefore is easier to read. Link: https://lkml.kernel.org/r/20241028182920.1025819-1-sui.jingfeng@xxxxxxxxx Signed-off-by: Sui Jingfeng <sui.jingfeng@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- lib/scatterlist.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/lib/scatterlist.c~lib-scatterlist-use-sg_phys-helper +++ a/lib/scatterlist.c @@ -474,14 +474,14 @@ int sg_alloc_append_table_from_pages(str return -EOPNOTSUPP; if (sgt_append->prv) { - unsigned long next_pfn = (page_to_phys(sg_page(sgt_append->prv)) + - sgt_append->prv->offset + sgt_append->prv->length) / PAGE_SIZE; + unsigned long next_pfn; if (WARN_ON(offset)) return -EINVAL; /* Merge contiguous pages into the last SG */ prv_len = sgt_append->prv->length; + next_pfn = (sg_phys(sgt_append->prv) + prv_len) / PAGE_SIZE; if (page_to_pfn(pages[0]) == next_pfn) { last_pg = pfn_to_page(next_pfn - 1); while (n_pages && pages_are_mergeable(pages[0], last_pg)) { _ Patches currently in -mm which might be from sui.jingfeng@xxxxxxxxx are scatterlist-fix-a-typo.patch lib-scatterlist-use-sg_phys-helper.patch