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| author | Nick Piggin <nickpiggin@yahoo.com.au> | 2005-05-01 08:58:37 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-05-01 08:58:37 -0700 |
| commit | bd53b714d32a29bdf33009f812e295667e92b930 (patch) | |
| tree | b8b6e72fcda7b40d2273498bfa16ba53e15e7917 /drivers/md | |
| parent | 20a77776c24800d1e40a73f520cfcb32239568a9 (diff) | |
| download | linux-stable-bd53b714d32a29bdf33009f812e295667e92b930.tar.gz linux-stable-bd53b714d32a29bdf33009f812e295667e92b930.tar.bz2 linux-stable-bd53b714d32a29bdf33009f812e295667e92b930.zip | |
[PATCH] mm: use __GFP_NOMEMALLOC
Use the new __GFP_NOMEMALLOC to simplify the previous handling of
PF_MEMALLOC.
Signed-off-by: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-crypt.c | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 77619a56e2bf..0dd6c2b5391b 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -331,25 +331,19 @@ crypt_alloc_buffer(struct crypt_config *cc, unsigned int size, struct bio *bio; unsigned int nr_iovecs = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; int gfp_mask = GFP_NOIO | __GFP_HIGHMEM; - unsigned long flags = current->flags; unsigned int i; /* - * Tell VM to act less aggressively and fail earlier. - * This is not necessary but increases throughput. + * Use __GFP_NOMEMALLOC to tell the VM to act less aggressively and + * to fail earlier. This is not necessary but increases throughput. * FIXME: Is this really intelligent? */ - current->flags &= ~PF_MEMALLOC; - if (base_bio) - bio = bio_clone(base_bio, GFP_NOIO); + bio = bio_clone(base_bio, GFP_NOIO|__GFP_NOMEMALLOC); else - bio = bio_alloc(GFP_NOIO, nr_iovecs); - if (!bio) { - if (flags & PF_MEMALLOC) - current->flags |= PF_MEMALLOC; + bio = bio_alloc(GFP_NOIO|__GFP_NOMEMALLOC, nr_iovecs); + if (!bio) return NULL; - } /* if the last bio was not complete, continue where that one ended */ bio->bi_idx = *bio_vec_idx; @@ -386,9 +380,6 @@ crypt_alloc_buffer(struct crypt_config *cc, unsigned int size, size -= bv->bv_len; } - if (flags & PF_MEMALLOC) - current->flags |= PF_MEMALLOC; - if (!bio->bi_size) { bio_put(bio); return NULL; |