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| author | Joonsoo Kim <iamjoonsoo.kim@lge.com> | 2013-09-11 14:21:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-09-11 15:57:30 -0700 |
| commit | bc4b4448dba660afc8df3790564320302d9709a1 (patch) | |
| tree | a4ceb436faa41f8c0146b8f7910ca0e2f69247d9 /mm/pgtable-generic.c | |
| parent | e66f09725771ac5b1b868d6b19eba84e30ffad88 (diff) | |
| download | lwn-bc4b4448dba660afc8df3790564320302d9709a1.tar.gz lwn-bc4b4448dba660afc8df3790564320302d9709a1.zip | |
mm: move pgtable related functions to right place
pgtable related functions are mostly in pgtable-generic.c.
So move remaining functions from memory.c to pgtable-generic.c.
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/pgtable-generic.c')
| -rw-r--r-- | mm/pgtable-generic.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c index e1a6e4fab016..3929a40bd6c0 100644 --- a/mm/pgtable-generic.c +++ b/mm/pgtable-generic.c @@ -10,6 +10,30 @@ #include <asm/tlb.h> #include <asm-generic/pgtable.h> +/* + * If a p?d_bad entry is found while walking page tables, report + * the error, before resetting entry to p?d_none. Usually (but + * very seldom) called out from the p?d_none_or_clear_bad macros. + */ + +void pgd_clear_bad(pgd_t *pgd) +{ + pgd_ERROR(*pgd); + pgd_clear(pgd); +} + +void pud_clear_bad(pud_t *pud) +{ + pud_ERROR(*pud); + pud_clear(pud); +} + +void pmd_clear_bad(pmd_t *pmd) +{ + pmd_ERROR(*pmd); + pmd_clear(pmd); +} + #ifndef __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS /* * Only sets the access flags (dirty, accessed), as well as write |