diff options
| author | Alex Shi <alex.shi@linaro.org> | 2015-03-16 15:52:47 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2015-03-16 15:52:47 +0800 |
| commit | 910c2c512670cde02f5fb7570f622e636257874e (patch) | |
| tree | 8e35947a4c2f7b88e4971f38e8518a00ecd6cf1c /Documentation/filesystems | |
| parent | c577a32260e3c74bd2ccf42273c2f5cdf981b9a0 (diff) | |
| parent | 81f8d49e4f2f38480d83ff53b5c426d8d12910e9 (diff) | |
Merge branch 'linaro-android-3.10-lsk' of
git://android.git.linaro.org/kernel/linaro-android into linux-linaro-lsk-android
Diffstat (limited to 'Documentation/filesystems')
| -rw-r--r-- | Documentation/filesystems/porting | 3 | ||||
| -rw-r--r-- | Documentation/filesystems/proc.txt | 4 | ||||
| -rw-r--r-- | Documentation/filesystems/squashfs.txt | 8 |
3 files changed, 11 insertions, 4 deletions
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index 4db22f6491e0..85a4a033bae7 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -445,3 +445,6 @@ object doesn't exist. It's remote/distributed ones that might care... [mandatory] FS_REVAL_DOT is gone; if you used to have it, add ->d_weak_revalidate() in your dentry operations instead. +-- +[mandatory] + vfs_readdir() is gone; switch to iterate_dir() instead diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index 7ce8ef7d764a..be35913d282b 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -490,6 +490,10 @@ To clear the bits for the file mapped pages associated with the process > echo 3 > /proc/PID/clear_refs Any other value written to /proc/PID/clear_refs will have no effect. +To reset the peak resident set size ("high water mark") to the process's +current value: + > echo 5 > /proc/PID/clear_refs + The /proc/pid/pagemap gives the PFN, which can be used to find the pageflags using /proc/kpageflags and number of times a page is mapped using /proc/kpagecount. For detailed explanation, see Documentation/vm/pagemap.txt. diff --git a/Documentation/filesystems/squashfs.txt b/Documentation/filesystems/squashfs.txt index 403c090aca39..e5274f84dc56 100644 --- a/Documentation/filesystems/squashfs.txt +++ b/Documentation/filesystems/squashfs.txt @@ -2,10 +2,10 @@ SQUASHFS 4.0 FILESYSTEM ======================= Squashfs is a compressed read-only filesystem for Linux. -It uses zlib/lzo/xz compression to compress files, inodes and directories. -Inodes in the system are very small and all blocks are packed to minimise -data overhead. Block sizes greater than 4K are supported up to a maximum -of 1Mbytes (default block size 128K). +It uses zlib, lz4, lzo, or xz compression to compress files, inodes and +directories. Inodes in the system are very small and all blocks are packed to +minimise data overhead. Block sizes greater than 4K are supported up to a +maximum of 1Mbytes (default block size 128K). Squashfs is intended for general read-only filesystem use, for archival use (i.e. in cases where a .tar.gz file may be used), and in constrained |