Commit:     869e5101728fe2f307f0a3c3cf599c184f81f0ee
Parent:     afa37394d6bfc91907b0e08c902d36d848232b99
Author:     Benjamin Herrenschmidt <[EMAIL PROTECTED]>
AuthorDate: Sun May 6 14:50:09 2007 -0700
Committer:  Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Mon May 7 12:12:56 2007 -0700

    get_unmapped_area handles MAP_FIXED on parisc
    Handle MAP_FIXED in parisc arch_get_unmapped_area(), just return the 
    We might want to also check for possible cache aliasing issues now that we 
    called in that case (like ARM or MIPS), leave a comment for the maintainers 
    pick up.
    Signed-off-by: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
    Cc: Kyle McMartin <[EMAIL PROTECTED]>
    Cc: Grant Grundler <[EMAIL PROTECTED]>
    Cc: Matthew Wilcox <[EMAIL PROTECTED]>
    Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
    Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
 arch/parisc/kernel/sys_parisc.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
index 512642d..6fed080 100644
--- a/arch/parisc/kernel/sys_parisc.c
+++ b/arch/parisc/kernel/sys_parisc.c
@@ -106,6 +106,11 @@ unsigned long arch_get_unmapped_area(struct file *filp, 
unsigned long addr,
        if (len > TASK_SIZE)
                return -ENOMEM;
+       /* Might want to check for cache aliasing issues for MAP_FIXED case
+        * like ARM or MIPS ??? --BenH.
+        */
+       if (flags & MAP_FIXED)
+               return addr;
        if (!addr)
                addr = TASK_UNMAPPED_BASE;
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