The patch titled
Subject: fs/buffer.c: change type of max_buffer_heads to unsigned long
has been added to the -mm tree. Its filename is
fs-bufferc-change-type-of-max_buffer_heads-to-unsigned-long.patch
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------------------------------------------------------
From: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
Subject: fs/buffer.c: change type of max_buffer_heads to unsigned long
max_buffer_heads is calculated from nr_free_buffer_pages(), so change its
type to unsigned long in case of overflow.
Signed-off-by: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/buffer.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN fs/buffer.c~fs-bufferc-change-type-of-max_buffer_heads-to-unsigned-long fs/buffer.c
--- a/fs/buffer.c~fs-bufferc-change-type-of-max_buffer_heads-to-unsigned-long
+++ a/fs/buffer.c
@@ -3237,7 +3237,7 @@ static struct kmem_cache *bh_cachep __re
* Once the number of bh's in the machine exceeds this level, we start
* stripping them in writeback.
*/
-static int max_buffer_heads;
+static unsigned long max_buffer_heads;
int buffer_heads_over_limit;
@@ -3353,7 +3353,7 @@ EXPORT_SYMBOL(bh_submit_read);
void __init buffer_init(void)
{
- int nrpages;
+ unsigned long nrpages;
bh_cachep = kmem_cache_create("buffer_head",
sizeof(struct buffer_head), 0,
_
Patches currently in -mm which might be from zhangyanfei@xxxxxxxxxxxxxx are
mm-fix-return-type-for-functions-nr_free__pages.patch
ia64-use-%ld-to-print-pages-calculated-in-nr_free_buffer_pages.patch
fs-bufferc-change-type-of-max_buffer_heads-to-unsigned-long.patch
fs-nfsd-change-type-of-max_delegations-nfsd_drc_max_mem-and-nfsd_drc_mem_used.patch
vmscan-change-type-of-vm_total_pages-to-unsigned-long.patch
net-change-type-of-netns_ipvs-sysctl_sync_qlen_max.patch
net-change-type-of-virtio_chan-p9_max_pages.patch
binfmt_elf-remove-unused-argument-in-fill_elf_header.patch
kexec-get-rid-of-duplicate-check-for-hole_end.patch
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