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author | David S. Miller <davem@davemloft.net> | 2014-11-01 18:53:27 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2014-11-01 18:53:27 (GMT) |
commit | 55b42b5ca2dcf143465968697fe6c6503b05fca1 (patch) | |
tree | 91878cd53efc44ba67244d4d3897020828c87c01 /arch/arm64/mm/mmu.c | |
parent | 10738eeaf4ab3de092586cefcc082e7d43ca0044 (diff) | |
parent | ec1f1276022e4e3ca40871810217d513e39ff250 (diff) | |
download | linux-55b42b5ca2dcf143465968697fe6c6503b05fca1.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/phy/marvell.c
Simple overlapping changes in drivers/net/phy/marvell.c
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/arm64/mm/mmu.c')
-rw-r--r-- | arch/arm64/mm/mmu.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index 6894ef3..0bf90d2 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -297,11 +297,15 @@ static void __init map_mem(void) * create_mapping requires puds, pmds and ptes to be allocated from * memory addressable from the initial direct kernel mapping. * - * The initial direct kernel mapping, located at swapper_pg_dir, - * gives us PUD_SIZE memory starting from PHYS_OFFSET (which must be - * aligned to 2MB as per Documentation/arm64/booting.txt). + * The initial direct kernel mapping, located at swapper_pg_dir, gives + * us PUD_SIZE (4K pages) or PMD_SIZE (64K pages) memory starting from + * PHYS_OFFSET (which must be aligned to 2MB as per + * Documentation/arm64/booting.txt). */ - limit = PHYS_OFFSET + PUD_SIZE; + if (IS_ENABLED(CONFIG_ARM64_64K_PAGES)) + limit = PHYS_OFFSET + PMD_SIZE; + else + limit = PHYS_OFFSET + PUD_SIZE; memblock_set_current_limit(limit); /* map all the memory banks */ |