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| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-05-01 00:26:51 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-01 02:04:00 +0200 |
| commit | 1e01c968db3d0aebd48e31db15f24516b03128df (patch) | |
| tree | 6f8ebed201fdc426a6926b4a2235e8dd2538f025 /drivers/xen | |
| parent | mm: frontswap: lazy initialization to allow tmem backends to build/run as mod... (diff) | |
| download | linux-1e01c968db3d0aebd48e31db15f24516b03128df.tar.xz linux-1e01c968db3d0aebd48e31db15f24516b03128df.zip | |
frontswap: make frontswap_init use a pointer for the ops
This simplifies the code in the frontswap - we can get rid of the
'backend_registered' test and instead check against frontswap_ops.
[v1: Rebase on top of 703ba7fe5e0 (ramster->zcache move]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Cc: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Cc: Andor Daam <andor.daam@googlemail.com>
Cc: Dan Magenheimer <dan.magenheimer@oracle.com>
Cc: Florian Schmaus <fschmaus@gmail.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Stefan Hengelein <ilendir@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/tmem.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/xen/tmem.c b/drivers/xen/tmem.c index 3ee836d42581..7a01a5fd0f63 100644 --- a/drivers/xen/tmem.c +++ b/drivers/xen/tmem.c @@ -362,7 +362,7 @@ static int __init no_frontswap(char *s) } __setup("nofrontswap", no_frontswap); -static struct frontswap_ops __initdata tmem_frontswap_ops = { +static struct frontswap_ops tmem_frontswap_ops = { .store = tmem_frontswap_store, .load = tmem_frontswap_load, .invalidate_page = tmem_frontswap_flush_page, @@ -378,11 +378,11 @@ static int __init xen_tmem_init(void) #ifdef CONFIG_FRONTSWAP if (tmem_enabled && use_frontswap) { char *s = ""; - struct frontswap_ops old_ops = + struct frontswap_ops *old_ops = frontswap_register_ops(&tmem_frontswap_ops); tmem_frontswap_poolid = -1; - if (old_ops.init != NULL) + if (old_ops) s = " (WARNING: frontswap_ops overridden)"; printk(KERN_INFO "frontswap enabled, RAM provided by " "Xen Transcendent Memory%s\n", s); |