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(parent: b3770b3) | patch
arm64: mm: fix booting on systems with no memory below 4GB
authorWill Deacon <will.deacon@arm.com>
Thu, 8 Nov 2012 16:00:16 +0000 (16:00 +0000)
committerCatalin Marinas <catalin.marinas@arm.com>
Thu, 8 Nov 2012 16:06:21 +0000 (16:06 +0000)
commitf483a853b0b932a1d75eb27a1dcbd732862260db
tree1954e6938eed2c2b20776b1159f001f9df071dd3tree | snapshot
parentb3770b3252589240e50f560197a19531979abba2commit | diff
arm64: mm: fix booting on systems with no memory below 4GB

Booting on a system with all of its memory above the 4GB boundary breaks
for two reasons:

(1) We still try to create a non-empty DMA32 zone
(2) no-bootmem limits allocations to 0xffffffff

This patch fixes these issues for ARM64.

Tested-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
arch/arm64/include/asm/processor.h diff | blob | history
arch/arm64/mm/init.c diff | blob | history
Domain: System / Kernel;