The patch titled
Subject: mm/shmem.c: remove an ifdef
has been added to the -mm tree. Its filename is
mm-shmemc-remove-an-ifdef.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm/shmem.c: remove an ifdef
Create a CONFIG_MMU=y stub for ramfs_nommu_expand_for_mapping() in the
usual fashion.
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Wolfram Sang <wsa@xxxxxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/ramfs.h | 8 +++++++-
mm/shmem.c | 5 +----
2 files changed, 8 insertions(+), 5 deletions(-)
diff -puN include/linux/ramfs.h~mm-shmemc-remove-an-ifdef include/linux/ramfs.h
--- a/include/linux/ramfs.h~mm-shmemc-remove-an-ifdef
+++ a/include/linux/ramfs.h
@@ -6,7 +6,13 @@ struct inode *ramfs_get_inode(struct sup
extern struct dentry *ramfs_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data);
-#ifndef CONFIG_MMU
+#ifdef CONFIG_MMU
+static inline int
+ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize)
+{
+ return 0;
+}
+#else
extern int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize);
extern unsigned long ramfs_nommu_get_unmapped_area(struct file *file,
unsigned long addr,
diff -puN mm/shmem.c~mm-shmemc-remove-an-ifdef mm/shmem.c
--- a/mm/shmem.c~mm-shmemc-remove-an-ifdef
+++ a/mm/shmem.c
@@ -25,6 +25,7 @@
#include <linux/init.h>
#include <linux/vfs.h>
#include <linux/mount.h>
+#include <linux/ramfs.h>
#include <linux/pagemap.h>
#include <linux/file.h>
#include <linux/mm.h>
@@ -2830,8 +2831,6 @@ out4:
* effectively equivalent, but much lighter weight.
*/
-#include <linux/ramfs.h>
-
static struct file_system_type shmem_fs_type = {
.name = "tmpfs",
.mount = ramfs_mount,
@@ -2931,11 +2930,9 @@ struct file *shmem_file_setup(const char
d_instantiate(path.dentry, inode);
inode->i_size = size;
clear_nlink(inode); /* It is unlinked */
-#ifndef CONFIG_MMU
res = ERR_PTR(ramfs_nommu_expand_for_mapping(inode, size));
if (IS_ERR(res))
goto put_dentry;
-#endif
res = alloc_file(&path, FMODE_WRITE | FMODE_READ,
&shmem_file_operations);
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
linux-next.patch
arch-alpha-kernel-systblss-remove-debug-check.patch
i-need-old-gcc.patch
mm-shmemc-remove-an-ifdef.patch
timer_list-convert-timer-list-to-be-a-proper-seq_file.patch
timer_list-convert-timer-list-to-be-a-proper-seq_file-v3-fix.patch
mm.patch
include-linux-mmzoneh-cleanups.patch
include-linux-mmzoneh-cleanups-fix.patch
drop_caches-add-some-documentation-and-info-messsge.patch
memcg-debugging-facility-to-access-dangling-memcgs-fix.patch
kernel-smpc-cleanups.patch
binfmt_elfc-use-get_random_int-to-fix-entropy-depleting.patch
rtc-ds1307-long-block-operations-bugfix.patch
kexec-use-min_t-to-simplify-logic-fix.patch
aio-kiocb_cancel-fix.patch
wait-add-wait_event_hrtimeout-fix.patch
aio-use-cancellation-list-lazily-fix-fix.patch
aio-give-shared-kioctx-fields-their-own-cachelines-fix.patch
generic-dynamic-per-cpu-refcounting-fix.patch
generic-dynamic-per-cpu-refcounting-sparse-fixes-fix.patch
generic-dynamic-per-cpu-refcounting-doc-fix.patch
aio-dont-include-aioh-in-schedh-fix.patch
aio-dont-include-aioh-in-schedh-fix-fix.patch
aio-dont-include-aioh-in-schedh-fix-3.patch
aio-dont-include-aioh-in-schedh-fix-3-fix.patch
aio-dont-include-aioh-in-schedh-fix-3-fix-fix.patch
aio-kill-ki_retry-fix.patch
block-aio-batch-completion-for-bios-kiocbs-fix.patch
block-aio-batch-completion-for-bios-kiocbs-fix-fix.patch
block-aio-batch-completion-for-bios-kiocbs-fix-fix-fix.patch
block-aio-batch-completion-for-bios-kiocbs-fix-fix-fix-fix-fix-fix.patch
debugging-keep-track-of-page-owners-fix-2-fix.patch
debugging-keep-track-of-page-owners-fix-2-fix-fix-fix.patch
journal_add_journal_head-debug.patch
kernel-forkc-export-kernel_thread-to-modules.patch
mutex-subsystem-synchro-test-module.patch
slab-leaks3-default-y.patch
put_bh-debug.patch
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