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m68k/sun3: Kill pte_unmap() warnings

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Since commit 31c911329e ("mm: check the argument
of kunmap on architectures without highmem"), we get lots of warnings like

arch/m68k/kernel/sys_m68k.c:508: warning: passing argument 1 of ‘kunmap’ from incompatible pointer type

As m68k doesn't support highmem anyway, open code the calls to kmap() and
kunmap() (the latter is a no-op) to kill the warnings, like is done on most
other architectures without CONFIG_HIGHPTE.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Sam Creasey <sammy@sammy.net>
This commit is contained in:
Geert Uytterhoeven 2010-10-31 21:23:55 +01:00
parent 3c0eee3fe6
commit 0eefed84fe
1 changed files with 2 additions and 3 deletions
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5
arch/m68k/include/asm/sun3_pgtable.h
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@ -217,9 +217,8 @@ static inline pte_t pgoff_to_pte(unsigned off)
/* Find an entry in the third-level pagetable. */
#define pte_index(address) ((address >> PAGE_SHIFT) & (PTRS_PER_PTE-1))
#define pte_offset_kernel(pmd, address) ((pte_t *) __pmd_page(*pmd) + pte_index(address))
/* FIXME: should we bother with kmap() here? */
#define pte_offset_map(pmd, address) ((pte_t *)kmap(pmd_page(*pmd)) + pte_index(address))
#define pte_unmap(pte) kunmap(pte)
#define pte_offset_map(pmd, address) ((pte_t *)page_address(pmd_page(*pmd)) + pte_index(address))
#define pte_unmap(pte) do { } while (0)
/* Macros to (de)construct the fake PTEs representing swap pages. */
#define __swp_type(x) ((x).val & 0x7F)