diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-10-12 12:43:21 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-12 12:43:21 +0200 |
| commit | acbaa41a780490c791492c41144c774c04875af1 (patch) | |
| tree | 31f1f046875eb071e2aed031e5d9d1584742314f /mm | |
| parent | 8d89adf44cf750e49691ba5b744b2ad77a05e997 (diff) | |
| parent | fd048088306656824958e7783ffcee27e241b361 (diff) | |
Merge branch 'linus' into x86/quirks
Conflicts:
arch/x86/kernel/early-quirks.c
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/bounce.c | 2 | ||||
| -rw-r--r-- | mm/highmem.c | 5 | ||||
| -rw-r--r-- | mm/slob.c | 8 |
3 files changed, 10 insertions, 5 deletions
diff --git a/mm/bounce.c b/mm/bounce.c index b6d2d0f1019..06722c40305 100644 --- a/mm/bounce.c +++ b/mm/bounce.c @@ -267,7 +267,7 @@ void blk_queue_bounce(struct request_queue *q, struct bio **bio_orig) /* * Data-less bio, nothing to bounce */ - if (bio_empty_barrier(*bio_orig)) + if (!bio_has_data(*bio_orig)) return; /* diff --git a/mm/highmem.c b/mm/highmem.c index e16e1523b68..b36b83b920f 100644 --- a/mm/highmem.c +++ b/mm/highmem.c @@ -70,6 +70,7 @@ static DECLARE_WAIT_QUEUE_HEAD(pkmap_map_wait); static void flush_all_zero_pkmaps(void) { int i; + int need_flush = 0; flush_cache_kmaps(); @@ -101,8 +102,10 @@ static void flush_all_zero_pkmaps(void) &pkmap_page_table[i]); set_page_address(page, NULL); + need_flush = 1; } - flush_tlb_kernel_range(PKMAP_ADDR(0), PKMAP_ADDR(LAST_PKMAP)); + if (need_flush) + flush_tlb_kernel_range(PKMAP_ADDR(0), PKMAP_ADDR(LAST_PKMAP)); } /** diff --git a/mm/slob.c b/mm/slob.c index 4c82dd41f32..cb675d12679 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -514,9 +514,11 @@ size_t ksize(const void *block) return 0; sp = (struct slob_page *)virt_to_page(block); - if (slob_page(sp)) - return ((slob_t *)block - 1)->units + SLOB_UNIT; - else + if (slob_page(sp)) { + int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN); + unsigned int *m = (unsigned int *)(block - align); + return SLOB_UNITS(*m) * SLOB_UNIT; + } else return sp->page.private; } |