From efb8ad7e9431a430a75d44288614cf6047ff4baa Mon Sep 17 00:00:00 2001 From: Nathan Scott Date: Thu, 28 Sep 2006 11:03:05 +1000 Subject: [XFS] Add a debug flag for allocations which are known to be larger than one page. SGI-PV: 955302 SGI-Modid: xfs-linux-melb:xfs-kern:26800a Signed-off-by: Nathan Scott Signed-off-by: Tim Shimmin --- fs/xfs/linux-2.6/kmem.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'fs/xfs/linux-2.6/kmem.c') diff --git a/fs/xfs/linux-2.6/kmem.c b/fs/xfs/linux-2.6/kmem.c index aba7fcf881a..f77fe5c8fcc 100644 --- a/fs/xfs/linux-2.6/kmem.c +++ b/fs/xfs/linux-2.6/kmem.c @@ -34,6 +34,14 @@ kmem_alloc(size_t size, unsigned int __nocast flags) gfp_t lflags = kmem_flags_convert(flags); void *ptr; +#ifdef DEBUG + if (unlikely(!(flags & KM_LARGE) && (size > PAGE_SIZE))) { + printk(KERN_WARNING "Large %s attempt, size=%ld\n", + __FUNCTION__, (long)size); + dump_stack(); + } +#endif + do { if (size < MAX_SLAB_SIZE || retries > MAX_VMALLOCS) ptr = kmalloc(size, lflags); -- cgit v1.2.3