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MIPS: init: Fix reservation of memory between PHYS_OFFSET and mem start

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Fix calculation of the size for reserving memory between PHYS_OFFSET
and real memory start.

Fixes: a94e4f24ec ("MIPS: init: Drop boot_mem_map")
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
This commit is contained in:
Thomas Bogendoerfer 2019-09-24 17:19:56 +02:00 committed by Paul Burton
parent 8919975b61
commit 66b416ee41
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GPG Key ID: 3EA79FACB57500DD
1 changed files with 1 additions and 1 deletions
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2
arch/mips/kernel/setup.c
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@ -321,7 +321,7 @@ static void __init bootmem_init(void)
* Reserve any memory between the start of RAM and PHYS_OFFSET
*/
if (ramstart > PHYS_OFFSET)
memblock_reserve(PHYS_OFFSET, PFN_UP(ramstart) - PHYS_OFFSET);
memblock_reserve(PHYS_OFFSET, ramstart - PHYS_OFFSET);
if (PFN_UP(ramstart) > ARCH_PFN_OFFSET) {
pr_info("Wasting %lu bytes for tracking %lu unused pages\n",