Commit 9d77cd42 authored by Jason Uhlenkott's avatar Jason Uhlenkott Committed by Tony Luck

[IA64] fix pgtable.h comments

Remove some statements from comments in <asm-ia64/pgtable.h> whose
correctness is page size dependent ... and based on using an 8k
page size, which almost nobody actually uses.
Signed-off-by: default avatarJason Uhlenkott <jasonuhl@sgi.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 74866bf1
No related merge requests found
......@@ -6,7 +6,7 @@
* the IA-64 page table tree.
*
* This hopefully works with any (fixed) IA-64 page-size, as defined
* in <asm/page.h> (currently 8192).
* in <asm/page.h>.
*
* Copyright (C) 1998-2004 Hewlett-Packard Co
* David Mosberger-Tang <davidm@hpl.hp.com>
......@@ -309,15 +309,15 @@ pgd_index (unsigned long address)
}
/* The offset in the 1-level directory is given by the 3 region bits
(61..63) and the seven level-1 bits (33-39). */
(61..63) and the level-1 bits. */
static inline pgd_t*
pgd_offset (struct mm_struct *mm, unsigned long address)
{
return mm->pgd + pgd_index(address);
}
/* In the kernel's mapped region we have a full 43 bit space available and completely
ignore the region number (since we know its in region number 5). */
/* In the kernel's mapped region we completely ignore the region number
(since we know it's in region number 5). */
#define pgd_offset_k(addr) \
(init_mm.pgd + (((addr) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1)))
......
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