Commit c44f063e authored by Peng Hao's avatar Peng Hao Committed by Andrew Morton

buildid: use kmap_local_page()

Use kmap_local_page() instead of kmap_atomic() which has been deprecated.

Link: https://lkml.kernel.org/r/20240306034804.62087-1-flyingpeng@tencent.comSigned-off-by: default avatarPeng Hao <flyingpeng@tencent.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 75060b6e
......@@ -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;
}
......
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