Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux (ef24209f) · Commits · 戴 / test

Pull arm64 fixes from Catalin Marinas: "ARM64 implementation of TASK_SIZE_OF and exporting two functions to modules" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: implement TASK_SIZE_OF arm64: export __cpu_{clear,copy}_user_page functions

arch/arm64/include/asm/memory.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -56,6 +56,8 @@
		#define TASK_SIZE_32 UL(0x100000000)
		#define TASK_SIZE (test_thread_flag(TIF_32BIT) ? \
		TASK_SIZE_32 : TASK_SIZE_64)
		#define TASK_SIZE_OF(tsk) (test_tsk_thread_flag(tsk, TIF_32BIT) ? \
		TASK_SIZE_32 : TASK_SIZE_64)
		#else
		#define TASK_SIZE TASK_SIZE_64
		#endif /* CONFIG_COMPAT */

arch/arm64/mm/copypage.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -27,8 +27,10 @@ void __cpu_copy_user_page(void kto, const void kfrom, unsigned long vaddr)
		copy_page(kto, kfrom);
		__flush_dcache_area(kto, PAGE_SIZE);
		}
		EXPORT_SYMBOL_GPL(__cpu_copy_user_page);

		void __cpu_clear_user_page(void *kaddr, unsigned long vaddr)
		{
		clear_page(kaddr);
		}
		EXPORT_SYMBOL_GPL(__cpu_clear_user_page);

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