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| author | David Gibson <david@gibson.dropbear.id.au> | 2005-06-21 17:15:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-21 18:46:26 -0700 |
| commit | 20cee16ced631f70a62c97bdebae08a1c9470448 (patch) | |
| tree | f980db4e2b19dfcd4413e6cba4f667eb1d8c79cd /include/asm-ppc64/vio.h | |
| parent | 6879dc137ea4efad65cab8bf8a7c0b742bcf92cc (diff) | |
| download | linux-20cee16ced631f70a62c97bdebae08a1c9470448.tar.gz linux-20cee16ced631f70a62c97bdebae08a1c9470448.tar.bz2 linux-20cee16ced631f70a62c97bdebae08a1c9470448.zip | |
[PATCH] ppc64: Abolish ioremap_mm
Currently ppc64 has two mm_structs for the kernel, init_mm and also
ioremap_mm. The latter really isn't necessary: this patch abolishes it,
instead restricting vmallocs to the lower 1TB of the init_mm's range and
placing io mappings in the upper 1TB. This simplifies the code in a number
of places and eliminates an unecessary set of pagetables. It also tweaks
the unmap/free path a little, allowing us to remove the unmap_im_area() set
of page table walkers, replacing them with unmap_vm_area().
Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-ppc64/vio.h')
0 files changed, 0 insertions, 0 deletions