HPA patch doesn't work on my SATA, kernel-2.6.18

[yong Jung <yong_jk@yahoo.com>]

Hi,
.
I want to remove HPA in SATA, I was recommended to
follow this linux-ide site.
http://www.mail-archive.com/linux-lde@vger.kernel.org/msg05215.html
I want to remove HPA area under Kernel-2.6.18.
But after patching ,I couldn't see anything like HPA
in dmesg and fdisk information.
There is no difference between before and after patch.
Now I am using SATA 250GB includes HPA, 11GB.
And I installed HDPARM7.3,which support SATA, to get
some information.
But there's nothing related to my SATA 250GB, HPA.
In the output of "HDPARM -I /dev/sda" there is a
device size, 239GB, but that doesn't include HPA area.
Could you please tell me which kernel patch, program
or commands to use in order to remove HPA area under
Linux ?
.......................
[root@localhost hdparm-7.3]# ./hdparm -I /dev/sda
/dev/sda:
ATA device, with non-removable media
        Model Number:       SAMSUNG SP2504C
        Serial Number:      S0H9J1QP400136
        Firmware Revision:  VT100-50
Standards:
        Used: ATA/ATAPI-7 T13 1532D revision 4a
        Supported: 7 6 5 4
Configuration:
        Logical         max     current
        cylinders       16383   16383
        heads           16      16
        sectors/track   63      63
        --
        CHS current addressable sectors:   16514064
        LBA    user addressable sectors:  268435455
        LBA48  user addressable sectors:  467348955
        device size with M = 1024*1024:      228197
MBytes
        device size with M = 1000*1000:      239282
MBytes (239 GB)
Capabilities:
        LBA, IORDY(can be disabled)
        Queue depth: 32
        Standby timer values: spec'd by Standard, no
device specific minimum
        R/W multiple sector transfer: Max = 16 
Current = 16
        Recommended acoustic management value: 254,
current value: 128
        DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3
udma4 *udma5 udma6 udma7
             Cycle time: min=120ns recommended=120ns
        PIO: pio0 pio1 pio2 pio3 pio4
             Cycle time: no flow control=120ns  IORDY
flow control=120ns
Commands/features:
        Enabled Supported:
           *    SMART feature set
                Security Mode feature set
           *    Power Management feature set
           *    Write cache
           *    Look-ahead
           *    Host Protected Area feature set
           *    WRITE_BUFFER command
           *    READ_BUFFER command
           *    NOP cmd
           *    DOWNLOAD_MICROCODE
           *    SET_MAX security extension
           *    Automatic Acoustic Management feature
set
           *    48-bit Address feature set
           *    Device Configuration Overlay feature
set
           *    Mandatory FLUSH_CACHE
           *    FLUSH_CACHE_EXT
           *    SMART error logging
           *    SMART self-test
           *    General Purpose Logging feature set
           *    Segmented DOWNLOAD_MICROCODE
           *    SATA-I signaling speed (1.5Gb/s)
           *    SATA-II signaling speed (3.0Gb/s)
           *    Native Command Queueing (NCQ)
           *    Host-initiated interface power
management
           *    Phy event counters
                DMA Setup Auto-Activate optimization
                Device-initiated interface power
management
           *    Software settings preservation
           *    SMART Command Transport (SCT) feature
set
           *    SCT Long Sector Access (AC1)
           *    SCT LBA Segment Access (AC2)
           *    SCT Error Recovery Control (AC3)
           *    SCT Features Control (AC4)
           *    SCT Data Tables (AC5)
Security:
        Master password revision code = 65534
                supported
        not     enabled
        not     locked
                frozen
        not     expired: security count
                supported: enhanced erase
        88min for SECURITY ERASE UNIT. 88min for
ENHANCED SECURITY ERASE UNIT.
Checksum: correct
[root@localhost hdparm-7.3]#
.
Friendly,
Nobel


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