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| author | Anton Altaparmakov <aia21@cantab.net> | 2005-07-13 23:09:23 +0100 |
|---|---|---|
| committer | Anton Altaparmakov <aia21@cantab.net> | 2005-07-13 23:09:23 +0100 |
| commit | c514720716c7b109ff980f8b3cb93f9af872c91c (patch) | |
| tree | 490a9578995705de69712893a190b67651bddc56 /arch/um/kernel/physmem.c | |
| parent | 07929dcb963786512c760dd3ecd148d89295e7e5 (diff) | |
| parent | 1e279dd855d15b72364b4103f872d67d8592647e (diff) | |
Automatic merge with /usr/src/ntfs-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 420e6d51fa0f..a24e3b7f4bf0 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); |