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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-21 19:45:50 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-21 19:45:50 -0700 |
commit | 8559840c4ca3f2fff73a882803bc8916078fac1f (patch) | |
tree | e41f722a478d2e9f199398d4a766b004fd451ebc /arch/ia64/mm/init.c | |
parent | 7e2f037b9226452de60a74e94e5c42d3e54c8637 (diff) | |
parent | 58a69c367c02a165004a5ce5dd55ce03b59ba43d (diff) | |
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Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] Fix wrong /proc/iomem on SGI Altix
[IA64] Altix: ioremap vga_console_iobase
[IA64] Fix typo/thinko in crash.c
[IA64] Fix get_model_name() for mixed cpu type systems
[IA64] min_low_pfn and max_low_pfn calculation fix
Diffstat (limited to 'arch/ia64/mm/init.c')
-rw-r--r-- | arch/ia64/mm/init.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index f225dd7..c8da621 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -648,6 +648,22 @@ count_reserved_pages (u64 start, u64 end, void *arg) return 0; } +int +find_max_min_low_pfn (unsigned long start, unsigned long end, void *arg) +{ + unsigned long pfn_start, pfn_end; +#ifdef CONFIG_FLATMEM + pfn_start = (PAGE_ALIGN(__pa(start))) >> PAGE_SHIFT; + pfn_end = (PAGE_ALIGN(__pa(end - 1))) >> PAGE_SHIFT; +#else + pfn_start = GRANULEROUNDDOWN(__pa(start)) >> PAGE_SHIFT; + pfn_end = GRANULEROUNDUP(__pa(end - 1)) >> PAGE_SHIFT; +#endif + min_low_pfn = min(min_low_pfn, pfn_start); + max_low_pfn = max(max_low_pfn, pfn_end); + return 0; +} + /* * Boot command-line option "nolwsys" can be used to disable the use of any light-weight * system call handler. When this option is in effect, all fsyscalls will end up bubbling |