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Commit 48865163 authored by Christopher SMITH's avatar Christopher SMITH Committed by Paul Mundt
Browse files

sh: Only reserve memory under CONFIG_ZERO_PAGE_OFFSET when it != 0. 



Signed-off-by: default avatarChris Smith <chris.smith@st.com>
Signed-off-by: default avatarStuart Menefy <stuart.menefy@st.com>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent cadc4e1a

arch/sh/kernel/setup.c

+4 −4
Original line number Diff line number Diff line
@@ -262,9 +262,9 @@ void __init setup_bootmem_allocator(unsigned long free_pfn) 
			BOOTMEM_DEFAULT);



	/*

	 * reserve physical page 0 - it's a special BIOS page on many boxes,

	 * enabling clean reboots, SMP operation, laptop functions.

	 * Reserve physical pages below CONFIG_ZERO_PAGE_OFFSET.

	 */

	if (CONFIG_ZERO_PAGE_OFFSET != 0)

		reserve_bootmem(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET,

				BOOTMEM_DEFAULT);