Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=869e5101728fe2f307f0a3c3cf599c184f81f0ee
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
address.
We might want to also check for possible cache aliasing issues now that we
get
called in that case (like ARM or MIPS), leave a comment for the maintainers
to
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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