From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-arch@vger.kernel.org,
Linux Memory Management <linux-mm@kvack.org>,
linux-kernel@vger.kernel.org
Subject: [PATCH 10/14] get_unmapped_area handles MAP_FIXED in hugetlbfs
Date: Wed, 04 Apr 2007 14:01:31 +1000 [thread overview]
Message-ID: <20070404040142.7A0FFDDE9F@ozlabs.org> (raw)
In-Reply-To: <1175659285.929428.835270667964.qpush@grosgo>
---
fs/hugetlbfs/inode.c | 6 ++++++
1 file changed, 6 insertions(+)
Index: linux-cell/fs/hugetlbfs/inode.c
===================================================================
--- linux-cell.orig/fs/hugetlbfs/inode.c 2007-03-22 16:12:56.000000000 +1100
+++ linux-cell/fs/hugetlbfs/inode.c 2007-03-22 16:16:02.000000000 +1100
@@ -115,6 +115,12 @@ hugetlb_get_unmapped_area(struct file *f
if (len > TASK_SIZE)
return -ENOMEM;
+ if (flags & MAP_FIXED) {
+ if (prepare_hugepage_range(addr, len, pgoff))
+ return -EINVAL;
+ return addr;
+ }
+
if (addr) {
addr = ALIGN(addr, HPAGE_SIZE);
vma = find_vma(mm, addr);
--
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next prev parent reply other threads:[~2007-04-04 4:01 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-04 4:01 [PATCH 0/14] Pass MAP_FIXED down to get_unmapped_area Benjamin Herrenschmidt
2007-04-04 4:01 ` [PATCH 1/14] get_unmapped_area handles MAP_FIXED on powerpc Benjamin Herrenschmidt
2007-04-04 4:01 ` [PATCH 3/14] get_unmapped_area handles MAP_FIXED on arm Benjamin Herrenschmidt
2007-04-04 4:01 ` [PATCH 2/14] get_unmapped_area handles MAP_FIXED on alpha Benjamin Herrenschmidt
2007-04-04 4:01 ` [PATCH 5/14] get_unmapped_area handles MAP_FIXED on i386 Benjamin Herrenschmidt
2007-04-04 4:01 ` [PATCH 4/14] get_unmapped_area handles MAP_FIXED on frv Benjamin Herrenschmidt
2007-04-04 4:01 ` [PATCH 7/14] get_unmapped_area handles MAP_FIXED on parisc Benjamin Herrenschmidt
2007-04-04 4:01 ` [PATCH 6/14] get_unmapped_area handles MAP_FIXED on ia64 Benjamin Herrenschmidt
2007-04-04 4:01 ` [PATCH 8/14] get_unmapped_area handles MAP_FIXED on sparc64 Benjamin Herrenschmidt
2007-04-04 4:01 ` [PATCH 9/14] get_unmapped_area handles MAP_FIXED on x86_64 Benjamin Herrenschmidt
2007-04-04 4:01 ` Benjamin Herrenschmidt [this message]
2007-04-04 4:01 ` [PATCH 11/14] get_unmapped_area handles MAP_FIXED on ramfs (nommu) Benjamin Herrenschmidt
2007-04-04 4:01 ` [PATCH 12/14] get_unmapped_area handles MAP_FIXED in /dev/mem (nommu) Benjamin Herrenschmidt
2007-04-04 4:03 ` [PATCH 0/14] Pass MAP_FIXED down to get_unmapped_area Benjamin Herrenschmidt
2007-04-04 4:02 Benjamin Herrenschmidt
2007-04-04 4:02 ` [PATCH 10/14] get_unmapped_area handles MAP_FIXED in hugetlbfs Benjamin Herrenschmidt
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