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| author | Wim Van Sebroeck <wim@iguana.be> | 2007-05-11 19:03:13 +0000 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2007-05-11 19:03:13 +0000 |
| commit | 5c34202b8bf942da411b6599668a76b07449bbfd (patch) | |
| tree | 5719c361321eaddc8e4f1b0c8a7994f0e9a6fdd3 /mm/highmem.c | |
| parent | 0d4804b31f91cfbcff6d62af0bc09a893a1c8ae0 (diff) | |
| parent | 1f8a6b658a943b4f04a1fc7b3a420360202c86cd (diff) | |
| download | kernel-crypto-5c34202b8bf942da411b6599668a76b07449bbfd.tar.gz kernel-crypto-5c34202b8bf942da411b6599668a76b07449bbfd.tar.xz kernel-crypto-5c34202b8bf942da411b6599668a76b07449bbfd.zip | |
Merge /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'mm/highmem.c')
| -rw-r--r-- | mm/highmem.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/mm/highmem.c b/mm/highmem.c index 51e1c1995fe..be8f8d36a8b 100644 --- a/mm/highmem.c +++ b/mm/highmem.c @@ -99,6 +99,15 @@ static void flush_all_zero_pkmaps(void) flush_tlb_kernel_range(PKMAP_ADDR(0), PKMAP_ADDR(LAST_PKMAP)); } +/* Flush all unused kmap mappings in order to remove stray + mappings. */ +void kmap_flush_unused(void) +{ + spin_lock(&kmap_lock); + flush_all_zero_pkmaps(); + spin_unlock(&kmap_lock); +} + static inline unsigned long map_new_virtual(struct page *page) { unsigned long vaddr; |