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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/eba.c | |
| parent | 79b510c0f21174f4bd055d1aab156e548ae3a5f2 (diff) | |
| download | kernel_samsung_smdk4412-92ad8f37509a7d9d5dd6e0092211b092a7ca7fb1.zip kernel_samsung_smdk4412-92ad8f37509a7d9d5dd6e0092211b092a7ca7fb1.tar.gz kernel_samsung_smdk4412-92ad8f37509a7d9d5dd6e0092211b092a7ca7fb1.tar.bz2 | |
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/eba.c')
| -rw-r--r-- | drivers/mtd/ubi/eba.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c index 7c6b223..6964fe4 100644 --- a/drivers/mtd/ubi/eba.c +++ b/drivers/mtd/ubi/eba.c @@ -524,7 +524,7 @@ retry: goto write_error; data_size = offset + len; - new_buf = kmalloc(data_size, GFP_KERNEL); + new_buf = vmalloc(data_size); if (!new_buf) { err = -ENOMEM; goto out_put; @@ -535,7 +535,7 @@ retry: if (offset > 0) { err = ubi_io_read_data(ubi, new_buf, pnum, 0, offset); if (err && err != UBI_IO_BITFLIPS) { - kfree(new_buf); + vfree(new_buf); goto out_put; } } @@ -544,11 +544,11 @@ retry: err = ubi_io_write_data(ubi, new_buf, new_pnum, 0, data_size); if (err) { - kfree(new_buf); + vfree(new_buf); goto write_error; } - kfree(new_buf); + vfree(new_buf); ubi_free_vid_hdr(ubi, vid_hdr); vol->eba_tbl[lnum] = new_pnum; @@ -977,7 +977,7 @@ int ubi_eba_copy_leb(struct ubi_device *ubi, int from, int to, data_size = aldata_size = ubi->leb_size - ubi32_to_cpu(vid_hdr->data_pad); - buf = kmalloc(aldata_size, GFP_KERNEL); + buf = vmalloc(aldata_size); if (!buf) return -ENOMEM; @@ -987,7 +987,7 @@ int ubi_eba_copy_leb(struct ubi_device *ubi, int from, int to, */ err = leb_write_lock(ubi, vol_id, lnum); if (err) { - kfree(buf); + vfree(buf); return err; } @@ -1082,7 +1082,7 @@ int ubi_eba_copy_leb(struct ubi_device *ubi, int from, int to, * We've written the data and are going to read it back to make * sure it was written correctly. */ - buf1 = kmalloc(aldata_size, GFP_KERNEL); + buf1 = vmalloc(aldata_size); if (!buf1) { err = -ENOMEM; goto out_unlock; @@ -1111,15 +1111,15 @@ int ubi_eba_copy_leb(struct ubi_device *ubi, int from, int to, vol->eba_tbl[lnum] = to; leb_write_unlock(ubi, vol_id, lnum); - kfree(buf); - kfree(buf1); + vfree(buf); + vfree(buf1); return 0; out_unlock: leb_write_unlock(ubi, vol_id, lnum); - kfree(buf); - kfree(buf1); + vfree(buf); + vfree(buf1); return err; } |