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| author | Michael Ellerman <michael@ellerman.id.au> | 2010-11-28 18:26:36 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-12-09 15:35:32 +1100 |
| commit | 7a9d12568e34e37a72d9e00ce01b62dec527e663 (patch) | |
| tree | 117f1d41ae3fe773bca81d9a4c6286c2f9ff2134 /arch | |
| parent | bb2c458b8b8c8a53f65b78051d22a0f13d53abcb (diff) | |
| download | op-kernel-dev-7a9d12568e34e37a72d9e00ce01b62dec527e663.zip op-kernel-dev-7a9d12568e34e37a72d9e00ce01b62dec527e663.tar.gz | |
powerpc: Record vma->phys_addr in ioremap()
The vmalloc code can track the physical address of a vma, when the
vma is used for ioremap, if set it is displayed in /proc/vmallocinfo.
Because get_vm_area_caller() doesn't know it's being called for
ioremap() it's up to the arch code to set the phys_addr. A bunch
of other arch's do this, I'm not sure why powerpc doesn't?
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/mm/pgtable_32.c | 1 | ||||
| -rw-r--r-- | arch/powerpc/mm/pgtable_64.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index a87ead0..71932d0 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -230,6 +230,7 @@ __ioremap_caller(phys_addr_t addr, unsigned long size, unsigned long flags, area = get_vm_area_caller(size, VM_IOREMAP, caller); if (area == 0) return NULL; + area->phys_addr = p; v = (unsigned long) area->addr; } else { v = (ioremap_bot -= size); diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index 21d6dfa..88927a0 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -223,6 +223,8 @@ void __iomem * __ioremap_caller(phys_addr_t addr, unsigned long size, caller); if (area == NULL) return NULL; + + area->phys_addr = paligned; ret = __ioremap_at(paligned, area->addr, size, flags); if (!ret) vunmap(area->addr); |
