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| author | Suzuki Poulose <suzuki@in.ibm.com> | 2012-08-21 01:42:33 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-09-07 11:44:30 +1000 |
| commit | a84fcd46870113e92523e1ebb9a0ec75f66e03a2 (patch) | |
| tree | 9d0616762fbd33f0ac448a5303c134b87d1c1aa2 /arch/powerpc/kernel/prom.c | |
| parent | 0090e02b947c5de1cf978f52ac12c7b532e61154 (diff) | |
| download | lwn-a84fcd46870113e92523e1ebb9a0ec75f66e03a2.tar.gz lwn-a84fcd46870113e92523e1ebb9a0ec75f66e03a2.zip | |
powerpc: Change memory_limit from phys_addr_t to unsigned long long
There are some device-tree nodes, whose values are of type phys_addr_t.
The phys_addr_t is variable sized based on the CONFIG_PHSY_T_64BIT.
Change these to a fixed unsigned long long for consistency.
This patch does the change only for memory_limit.
The following is a list of such variables which need the change:
1) kernel_end, crashk_size - in arch/powerpc/kernel/machine_kexec.c
2) (struct resource *)crashk_res.start - We could export a local static
variable from machine_kexec.c.
Changing the above values might break the kexec-tools. So, I will
fix kexec-tools first to handle the different sized values and then change
the above.
Suggested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Suzuki K. Poulose <suzuki@in.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/prom.c')
| -rw-r--r-- | arch/powerpc/kernel/prom.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index f191bf02943a..37725e86651e 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -78,7 +78,7 @@ static int __init early_parse_mem(char *p) return 1; memory_limit = PAGE_ALIGN(memparse(p, &p)); - DBG("memory limit = 0x%llx\n", (unsigned long long)memory_limit); + DBG("memory limit = 0x%llx\n", memory_limit); return 0; } @@ -661,7 +661,7 @@ void __init early_init_devtree(void *params) /* make sure we've parsed cmdline for mem= before this */ if (memory_limit) - first_memblock_size = min(first_memblock_size, memory_limit); + first_memblock_size = min_t(u64, first_memblock_size, memory_limit); setup_initial_memory_limit(memstart_addr, first_memblock_size); /* Reserve MEMBLOCK regions used by kernel, initrd, dt, etc... */ memblock_reserve(PHYSICAL_START, __pa(klimit) - PHYSICAL_START); |