Merge tag 'riscv-for-linus-5.13-mw1' of git://git.kernel.org/pub/scm/linux/kernel...

[linux-2.6-microblaze.git] / arch / riscv / mm / init.c

diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index dfb5e4f..4faf8bd 100644 (file)
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -135,11 +135,16 @@ void __init setup_bootmem(void)
 
        /*
         * Reserve from the start of the kernel to the end of the kernel
-        * and make sure we align the reservation on PMD_SIZE since we will
+        */
+#if defined(CONFIG_64BIT) && defined(CONFIG_STRICT_KERNEL_RWX)
+       /*
+        * Make sure we align the reservation on PMD_SIZE since we will
         * map the kernel in the linear mapping as read-only: we do not want
         * any allocation to happen between _end and the next pmd aligned page.
         */
-       memblock_reserve(vmlinux_start, (vmlinux_end - vmlinux_start + PMD_SIZE - 1) & PMD_MASK);
+       vmlinux_end = (vmlinux_end + PMD_SIZE - 1) & PMD_MASK;
+#endif
+       memblock_reserve(vmlinux_start, vmlinux_end - vmlinux_start);
 
        /*
         * memblock allocator is not aware of the fact that last 4K bytes of
@@ -640,7 +645,7 @@ asmlinkage void __init setup_vm(uintptr_t dtb_pa)
 #endif
 }
 
-#if defined(CONFIG_64BIT) && !defined(CONFIG_XIP_KERNEL)
+#if defined(CONFIG_64BIT) && defined(CONFIG_STRICT_KERNEL_RWX)
 void protect_kernel_linear_mapping_text_rodata(void)
 {
        unsigned long text_start = (unsigned long)lm_alias(_start);