The patch titled
Subject: buildid: use kmap_local_page()
has been added to the -mm mm-nonmm-unstable branch. Its filename is
buildid-use-kmap_local_page.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/buildid-use-kmap_local_page.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Peng Hao <flyingpeng@xxxxxxxxxxx>
Subject: buildid: use kmap_local_page()
Date: Wed, 6 Mar 2024 11:48:04 +0800
Use kmap_local_page() instead of kmap_atomic() which has been deprecated.
Link: https://lkml.kernel.org/r/20240306034804.62087-1-flyingpeng@xxxxxxxxxxx
Signed-off-by: Peng Hao <flyingpeng@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/buildid.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/lib/buildid.c~buildid-use-kmap_local_page
+++ a/lib/buildid.c
@@ -140,7 +140,7 @@ int build_id_parse(struct vm_area_struct
return -EFAULT; /* page not mapped */
ret = -EINVAL;
- page_addr = kmap_atomic(page);
+ page_addr = kmap_local_page(page);
ehdr = (Elf32_Ehdr *)page_addr;
/* compare magic x7f "ELF" */
@@ -156,7 +156,7 @@ int build_id_parse(struct vm_area_struct
else if (ehdr->e_ident[EI_CLASS] == ELFCLASS64)
ret = get_build_id_64(page_addr, build_id, size);
out:
- kunmap_atomic(page_addr);
+ kunmap_local(page_addr);
put_page(page);
return ret;
}
_
Patches currently in -mm which might be from flyingpeng@xxxxxxxxxxx are
buildid-use-kmap_local_page.patch
