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[POWERPC] Remove bogus comment about page_is_ram

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arch/powerpc/mm/mem.c states that page_is_ram is called by the code that
implements /dev/mem, which isn't true.  Remove the comment.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Johannes Berg 2007-02-07 13:45:45 +01:00 committed by Paul Mackerras
parent 1ed2ddf380
commit bcff4948c6
1 changed files with 0 additions and 4 deletions
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arch/powerpc/mm/mem.c
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@ -61,10 +61,6 @@ unsigned long memory_limit;
extern void hash_preload(struct mm_struct *mm, unsigned long ea,
unsigned long access, unsigned long trap);
/*
* This is called by /dev/mem to know if a given address has to
* be mapped non-cacheable or not
*/
int page_is_ram(unsigned long pfn)
{
unsigned long paddr = (pfn << PAGE_SHIFT);