From: Peng Hao <flyingpeng@tencent.com>
From: Peng Hao <flyingpeng@tencent.com>
Use kmap_local_page() instead of kmap_atomic() which has been
deprecated.
Signed-off-by: Peng Hao <flyingpeng@tencent.com>
---
lib/buildid.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/buildid.c b/lib/buildid.c
index e3a7acdeef0e..29fdfb4cccf0 100644
--- a/lib/buildid.c
+++ b/lib/buildid.c
@@ -140,7 +140,7 @@ int build_id_parse(struct vm_area_struct *vma, unsigned char *build_id,
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 *vma, unsigned char *build_id,
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;
}
--
2.31.1