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Diffstat (limited to 'arch/arm/kernel')
-rw-r--r--arch/arm/kernel/vdso.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/arm/kernel/vdso.c b/arch/arm/kernel/vdso.c
index a4d6dc0f2427..f4dd7f9663c1 100644
--- a/arch/arm/kernel/vdso.c
+++ b/arch/arm/kernel/vdso.c
@@ -39,6 +39,8 @@
static struct page **vdso_text_pagelist;
+extern char vdso_start[], vdso_end[];
+
/* Total number of pages needed for the data and text portions of the VDSO. */
unsigned int vdso_total_pages __ro_after_init;
@@ -197,13 +199,13 @@ static int __init vdso_init(void)
unsigned int text_pages;
int i;
- if (memcmp(&vdso_start, "\177ELF", 4)) {
+ if (memcmp(vdso_start, "\177ELF", 4)) {
pr_err("VDSO is not a valid ELF object!\n");
return -ENOEXEC;
}
- text_pages = (&vdso_end - &vdso_start) >> PAGE_SHIFT;
- pr_debug("vdso: %i text pages at base %p\n", text_pages, &vdso_start);
+ text_pages = (vdso_end - vdso_start) >> PAGE_SHIFT;
+ pr_debug("vdso: %i text pages at base %p\n", text_pages, vdso_start);
/* Allocate the VDSO text pagelist */
vdso_text_pagelist = kcalloc(text_pages, sizeof(struct page *),
@@ -218,7 +220,7 @@ static int __init vdso_init(void)
for (i = 0; i < text_pages; i++) {
struct page *page;
- page = virt_to_page(&vdso_start + i * PAGE_SIZE);
+ page = virt_to_page(vdso_start + i * PAGE_SIZE);
vdso_text_pagelist[i] = page;
}
@@ -229,7 +231,7 @@ static int __init vdso_init(void)
cntvct_ok = cntvct_functional();
- patch_vdso(&vdso_start);
+ patch_vdso(vdso_start);
return 0;
}