diff options
author | Badari Pulavarty <pbadari@us.ibm.com> | 2006-08-27 04:23:52 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-08-27 14:01:32 -0400 |
commit | ea817398e68dfa25612229fda7fc74580cf915fb (patch) | |
tree | f511458f277c30b74e26bed69fe9d36dd2fe857c /include/linux | |
parent | 4c4d50f7b39cc58f1064b93a61ad617451ae41df (diff) |
[PATCH] Manage jbd allocations from its own slabs
JBD currently allocates commit and frozen buffers from slabs. With
CONFIG_SLAB_DEBUG, its possible for an allocation to cross the page
boundary causing IO problems.
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=200127
So, instead of allocating these from regular slabs - manage allocation from
its own slabs and disable slab debug for these slabs.
[akpm@osdl.org: cleanups]
Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/jbd.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/jbd.h b/include/linux/jbd.h index 20eb34403d0c..a04c154c5207 100644 --- a/include/linux/jbd.h +++ b/include/linux/jbd.h | |||
@@ -72,6 +72,9 @@ extern int journal_enable_debug; | |||
72 | #endif | 72 | #endif |
73 | 73 | ||
74 | extern void * __jbd_kmalloc (const char *where, size_t size, gfp_t flags, int retry); | 74 | extern void * __jbd_kmalloc (const char *where, size_t size, gfp_t flags, int retry); |
75 | extern void * jbd_slab_alloc(size_t size, gfp_t flags); | ||
76 | extern void jbd_slab_free(void *ptr, size_t size); | ||
77 | |||
75 | #define jbd_kmalloc(size, flags) \ | 78 | #define jbd_kmalloc(size, flags) \ |
76 | __jbd_kmalloc(__FUNCTION__, (size), (flags), journal_oom_retry) | 79 | __jbd_kmalloc(__FUNCTION__, (size), (flags), journal_oom_retry) |
77 | #define jbd_rep_kmalloc(size, flags) \ | 80 | #define jbd_rep_kmalloc(size, flags) \ |