The patch titled
Subject: mm/page_owner/cma: show pfn in cma/page_owner with hex format
has been added to the -mm mm-unstable branch. Its filename is
mm-page_owner-cma-show-pfn-in-cma-page_onwer-with-hex-format.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-page_owner-cma-show-pfn-in-cma-page_onwer-with-hex-format.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Kassey Li <quic_yingangl@xxxxxxxxxxx>
Subject: mm/page_owner/cma: show pfn in cma/page_owner with hex format
Date: Tue, 13 Jun 2023 17:25:33 +0800
cma: display pfn as well as pfn_to_page(pfn)
page_owner: display pfn in hex rather than decimal
Link: https://lkml.kernel.org/r/20230613092533.15449-1-quic_yingangl@xxxxxxxxxxx
Signed-off-by: Kassey Li <quic_yingangl@xxxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/cma.c | 4 ++--
mm/page_owner.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
--- a/mm/cma.c~mm-page_owner-cma-show-pfn-in-cma-page_onwer-with-hex-format
+++ a/mm/cma.c
@@ -483,8 +483,8 @@ struct page *cma_alloc(struct cma *cma,
if (ret != -EBUSY)
break;
- pr_debug("%s(): memory range at %p is busy, retrying\n",
- __func__, pfn_to_page(pfn));
+ pr_debug("%s(): memory range at pfn 0x%lx %p is busy, retrying\n",
+ __func__, pfn, pfn_to_page(pfn));
trace_cma_alloc_busy_retry(cma->name, pfn, pfn_to_page(pfn),
count, align);
--- a/mm/page_owner.c~mm-page_owner-cma-show-pfn-in-cma-page_onwer-with-hex-format
+++ a/mm/page_owner.c
@@ -418,7 +418,7 @@ print_page_owner(char __user *buf, size_
pageblock_mt = get_pageblock_migratetype(page);
page_mt = gfp_migratetype(page_owner->gfp_mask);
ret += scnprintf(kbuf + ret, count - ret,
- "PFN %lu type %s Block %lu type %s Flags %pGp\n",
+ "PFN 0x%lx type %s Block %lu type %s Flags %pGp\n",
pfn,
migratetype_names[page_mt],
pfn >> pageblock_order,
_
Patches currently in -mm which might be from quic_yingangl@xxxxxxxxxxx are
mm-page_owner-cma-show-pfn-in-cma-page_onwer-with-hex-format.patch
