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| author | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-07-13 15:25:59 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-07-13 15:25:59 +0100 |
| commit | 30beab1491f0b96b2f23d3fb68af01fd921a16d8 (patch) | |
| tree | c580bdc0846269fbb10feeda901ecec1a48ee2ef /arch/um/kernel/physmem.c | |
| parent | 21af6c4f2aa5f63138871b4ddd77d7ebf2588c9d (diff) | |
| parent | c32511e2718618f0b53479eb36e07439aa363a74 (diff) | |
| download | op-kernel-dev-30beab1491f0b96b2f23d3fb68af01fd921a16d8.zip op-kernel-dev-30beab1491f0b96b2f23d3fb68af01fd921a16d8.tar.gz | |
Merge with /shiny/git/linux-2.6/.git
Diffstat (limited to 'arch/um/kernel/physmem.c')
| -rw-r--r-- | arch/um/kernel/physmem.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/um/kernel/physmem.c b/arch/um/kernel/physmem.c index 420e6d5..a24e3b7 100644 --- a/arch/um/kernel/physmem.c +++ b/arch/um/kernel/physmem.c @@ -353,6 +353,8 @@ void map_memory(unsigned long virt, unsigned long phys, unsigned long len, #define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) +extern int __syscall_stub_start, __binary_start; + void setup_physmem(unsigned long start, unsigned long reserve_end, unsigned long len, unsigned long highmem) { @@ -371,6 +373,12 @@ void setup_physmem(unsigned long start, unsigned long reserve_end, exit(1); } + /* Special kludge - This page will be mapped in to userspace processes + * from physmem_fd, so it needs to be written out there. + */ + os_seek_file(physmem_fd, __pa(&__syscall_stub_start)); + os_write_file(physmem_fd, &__syscall_stub_start, PAGE_SIZE); + bootmap_size = init_bootmem(pfn, pfn + delta); free_bootmem(__pa(reserve_end) + bootmap_size, len - bootmap_size - reserve); |
