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| author | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2007-05-06 16:12:54 +0300 |
|---|---|---|
| committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2007-07-18 16:53:08 +0300 |
| commit | 92ad8f37509a7d9d5dd6e0092211b092a7ca7fb1 (patch) | |
| tree | 96c0f9c524b80e8d1d247e3f462c0c0d6fb782a5 /drivers/mtd/ubi/io.c | |
| parent | 79b510c0f21174f4bd055d1aab156e548ae3a5f2 (diff) | |
| download | blackbird-op-linux-92ad8f37509a7d9d5dd6e0092211b092a7ca7fb1.tar.gz blackbird-op-linux-92ad8f37509a7d9d5dd6e0092211b092a7ca7fb1.zip | |
UBI: use vmalloc for large buffers
UBI allocates temporary buffers of PEB size, which may be 256KiB.
Use vmalloc instead of kmalloc for such big temporary buffers.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'drivers/mtd/ubi/io.c')
| -rw-r--r-- | drivers/mtd/ubi/io.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c index 438914d05151..7bb473e646e3 100644 --- a/drivers/mtd/ubi/io.c +++ b/drivers/mtd/ubi/io.c @@ -382,7 +382,7 @@ static int torture_peb(const struct ubi_device *ubi, int pnum) void *buf; int err, i, patt_count; - buf = kmalloc(ubi->peb_size, GFP_KERNEL); + buf = vmalloc(ubi->peb_size); if (!buf) return -ENOMEM; @@ -437,7 +437,7 @@ out: * physical eraseblock which means something is wrong with it. */ err = -EIO; - kfree(buf); + vfree(buf); return err; } @@ -1224,9 +1224,10 @@ static int paranoid_check_all_ff(const struct ubi_device *ubi, int pnum, void *buf; loff_t addr = (loff_t)pnum * ubi->peb_size + offset; - buf = kzalloc(len, GFP_KERNEL); + buf = vmalloc(len); if (!buf) return -ENOMEM; + memset(buf, 0, len); err = ubi->mtd->read(ubi->mtd, addr, len, &read, buf); if (err && err != -EUCLEAN) { @@ -1242,7 +1243,7 @@ static int paranoid_check_all_ff(const struct ubi_device *ubi, int pnum, goto fail; } - kfree(buf); + vfree(buf); return 0; fail: @@ -1252,7 +1253,7 @@ fail: err = 1; error: ubi_dbg_dump_stack(); - kfree(buf); + vfree(buf); return err; } |
