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Message-Id: <1373893695-4094-2-git-send-email-bergwolf@gmail.com>
Date: Mon, 15 Jul 2013 21:07:59 +0800
From: Peng Tao <bergwolf@...il.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-kernel@...r.kernel.org, Peng Tao <tao.peng@....com>,
Jiang Liu <jiang.liu@...wei.com>,
Andreas Dilger <andreas.dilger@...el.com>
Subject: [PATCH-v2 01/17] staging/lustre: replace num_physpages with totalram_pages
From: Peng Tao <tao.peng@....com>
The global variable num_physpages is going away. Replace it
with totalram_pages.
Cc: Jiang Liu <jiang.liu@...wei.com>
Signed-off-by: Peng Tao <tao.peng@....com>
Signed-off-by: Andreas Dilger <andreas.dilger@...el.com>
---
.../lustre/include/linux/libcfs/linux/linux-mem.h | 4 ++--
drivers/staging/lustre/lustre/ldlm/ldlm_lib.c | 10 +++++-----
.../lustre/lustre/libcfs/linux/linux-tracefile.c | 2 +-
drivers/staging/lustre/lustre/llite/lproc_llite.c | 8 ++++----
drivers/staging/lustre/lustre/obdclass/class_obd.c | 6 +++---
.../lustre/lustre/obdclass/linux/linux-sysctl.c | 6 +++---
drivers/staging/lustre/lustre/obdclass/lu_object.c | 2 +-
drivers/staging/lustre/lustre/osc/lproc_osc.c | 2 +-
.../staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c | 2 +-
drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c | 4 ++--
10 files changed, 23 insertions(+), 23 deletions(-)
diff --git a/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h b/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h
index 042a2bc..63efb7b 100644
--- a/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h
+++ b/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h
@@ -63,9 +63,9 @@
#if BITS_PER_LONG == 32
/* limit to lowmem on 32-bit systems */
#define NUM_CACHEPAGES \
- min(num_physpages, 1UL << (30 - PAGE_CACHE_SHIFT) * 3 / 4)
+ min(totalram_pages, 1UL << (30 - PAGE_CACHE_SHIFT) * 3 / 4)
#else
-#define NUM_CACHEPAGES num_physpages
+#define NUM_CACHEPAGES totalram_pages
#endif
/*
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c b/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c
index 42df530..aace534 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c
@@ -339,8 +339,8 @@ int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg)
cli->cl_avail_grant = 0;
/* FIXME: Should limit this for the sum of all cl_dirty_max. */
cli->cl_dirty_max = OSC_MAX_DIRTY_DEFAULT * 1024 * 1024;
- if (cli->cl_dirty_max >> PAGE_CACHE_SHIFT > num_physpages / 8)
- cli->cl_dirty_max = num_physpages << (PAGE_CACHE_SHIFT - 3);
+ if (cli->cl_dirty_max >> PAGE_CACHE_SHIFT > totalram_pages / 8)
+ cli->cl_dirty_max = totalram_pages << (PAGE_CACHE_SHIFT - 3);
INIT_LIST_HEAD(&cli->cl_cache_waiters);
INIT_LIST_HEAD(&cli->cl_loi_ready_list);
INIT_LIST_HEAD(&cli->cl_loi_hp_ready_list);
@@ -388,11 +388,11 @@ int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg)
if (!strcmp(name, LUSTRE_MDC_NAME)) {
cli->cl_max_rpcs_in_flight = MDC_MAX_RIF_DEFAULT;
- } else if (num_physpages >> (20 - PAGE_CACHE_SHIFT) <= 128 /* MB */) {
+ } else if (totalram_pages >> (20 - PAGE_CACHE_SHIFT) <= 128 /* MB */) {
cli->cl_max_rpcs_in_flight = 2;
- } else if (num_physpages >> (20 - PAGE_CACHE_SHIFT) <= 256 /* MB */) {
+ } else if (totalram_pages >> (20 - PAGE_CACHE_SHIFT) <= 256 /* MB */) {
cli->cl_max_rpcs_in_flight = 3;
- } else if (num_physpages >> (20 - PAGE_CACHE_SHIFT) <= 512 /* MB */) {
+ } else if (totalram_pages >> (20 - PAGE_CACHE_SHIFT) <= 512 /* MB */) {
cli->cl_max_rpcs_in_flight = 4;
} else {
if (osc_on_mdt(obddev->obd_name))
diff --git a/drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c b/drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c
index 6f56343..a500a0b 100644
--- a/drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c
+++ b/drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c
@@ -269,7 +269,7 @@ void cfs_print_to_console(struct ptldebug_header *hdr, int mask,
int cfs_trace_max_debug_mb(void)
{
- int total_mb = (num_physpages >> (20 - PAGE_SHIFT));
+ int total_mb = (totalram_pages >> (20 - PAGE_SHIFT));
return MAX(512, (total_mb * 80)/100);
}
diff --git a/drivers/staging/lustre/lustre/llite/lproc_llite.c b/drivers/staging/lustre/lustre/llite/lproc_llite.c
index 6a82505..a30c411 100644
--- a/drivers/staging/lustre/lustre/llite/lproc_llite.c
+++ b/drivers/staging/lustre/lustre/llite/lproc_llite.c
@@ -243,9 +243,9 @@ static ssize_t ll_max_readahead_mb_seq_write(struct file *file, const char *buff
if (rc)
return rc;
- if (pages_number < 0 || pages_number > num_physpages / 2) {
+ if (pages_number < 0 || pages_number > totalram_pages / 2) {
CERROR("can't set file readahead more than %lu MB\n",
- num_physpages >> (20 - PAGE_CACHE_SHIFT + 1)); /*1/2 of RAM*/
+ totalram_pages >> (20 - PAGE_CACHE_SHIFT + 1)); /*1/2 of RAM*/
return -ERANGE;
}
@@ -388,10 +388,10 @@ static ssize_t ll_max_cached_mb_seq_write(struct file *file, const char *buffer,
if (rc)
RETURN(rc);
- if (pages_number < 0 || pages_number > num_physpages) {
+ if (pages_number < 0 || pages_number > totalram_pages) {
CERROR("%s: can't set max cache more than %lu MB\n",
ll_get_fsname(sb, NULL, 0),
- num_physpages >> (20 - PAGE_CACHE_SHIFT));
+ totalram_pages >> (20 - PAGE_CACHE_SHIFT));
RETURN(-ERANGE);
}
diff --git a/drivers/staging/lustre/lustre/obdclass/class_obd.c b/drivers/staging/lustre/lustre/obdclass/class_obd.c
index af1c2d0..0715cf2 100644
--- a/drivers/staging/lustre/lustre/obdclass/class_obd.c
+++ b/drivers/staging/lustre/lustre/obdclass/class_obd.c
@@ -558,10 +558,10 @@ static int __init init_obdclass(void)
/* Default the dirty page cache cap to 1/2 of system memory.
* For clients with less memory, a larger fraction is needed
* for other purposes (mostly for BGL). */
- if (num_physpages <= 512 << (20 - PAGE_CACHE_SHIFT))
- obd_max_dirty_pages = num_physpages / 4;
+ if (totalram_pages <= 512 << (20 - PAGE_CACHE_SHIFT))
+ obd_max_dirty_pages = totalram_pages / 4;
else
- obd_max_dirty_pages = num_physpages / 2;
+ obd_max_dirty_pages = totalram_pages / 2;
err = obd_init_caches();
if (err)
diff --git a/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c b/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c
index 46aad68..7b94cb7 100644
--- a/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c
+++ b/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c
@@ -202,12 +202,12 @@ int LL_PROC_PROTO(proc_max_dirty_pages_in_mb)
1 << (20 - PAGE_CACHE_SHIFT));
/* Don't allow them to let dirty pages exceed 90% of system
* memory and set a hard minimum of 4MB. */
- if (obd_max_dirty_pages > ((num_physpages / 10) * 9)) {
+ if (obd_max_dirty_pages > ((totalram_pages / 10) * 9)) {
CERROR("Refusing to set max dirty pages to %u, which "
"is more than 90%% of available RAM; setting "
"to %lu\n", obd_max_dirty_pages,
- ((num_physpages / 10) * 9));
- obd_max_dirty_pages = ((num_physpages / 10) * 9);
+ ((totalram_pages / 10) * 9));
+ obd_max_dirty_pages = ((totalram_pages / 10) * 9);
} else if (obd_max_dirty_pages < 4 << (20 - PAGE_CACHE_SHIFT)) {
obd_max_dirty_pages = 4 << (20 - PAGE_CACHE_SHIFT);
}
diff --git a/drivers/staging/lustre/lustre/obdclass/lu_object.c b/drivers/staging/lustre/lustre/obdclass/lu_object.c
index fdf0ed3..fdaf4f8 100644
--- a/drivers/staging/lustre/lustre/obdclass/lu_object.c
+++ b/drivers/staging/lustre/lustre/obdclass/lu_object.c
@@ -849,7 +849,7 @@ static int lu_htable_order(void)
*
* Size of lu_object is (arbitrary) taken as 1K (together with inode).
*/
- cache_size = num_physpages;
+ cache_size = totalram_pages;
#if BITS_PER_LONG == 32
/* limit hashtable size for lowmem systems to low RAM */
diff --git a/drivers/staging/lustre/lustre/osc/lproc_osc.c b/drivers/staging/lustre/lustre/osc/lproc_osc.c
index 198cf3b..d2f2198 100644
--- a/drivers/staging/lustre/lustre/osc/lproc_osc.c
+++ b/drivers/staging/lustre/lustre/osc/lproc_osc.c
@@ -146,7 +146,7 @@ static ssize_t osc_max_dirty_mb_seq_write(struct file *file, const char *buffer,
if (pages_number <= 0 ||
pages_number > OSC_MAX_DIRTY_MB_MAX << (20 - PAGE_CACHE_SHIFT) ||
- pages_number > num_physpages / 4) /* 1/4 of RAM */
+ pages_number > totalram_pages / 4) /* 1/4 of RAM */
return -ERANGE;
client_obd_list_lock(&cli->cl_loi_list_lock);
diff --git a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c
index 3e73254..2bd0d98 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c
@@ -302,7 +302,7 @@ ptlrpc_lprocfs_req_history_max_seq_write(struct file *file, const char *buffer,
* hose a kernel by allowing the request history to grow too
* far. */
bufpages = (svc->srv_buf_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
- if (val > num_physpages/(2 * bufpages))
+ if (val > totalram_pages / (2 * bufpages))
return -ERANGE;
spin_lock(&svc->srv_lock);
diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c b/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c
index bf53f1b..9013745 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c
@@ -156,7 +156,7 @@ int sptlrpc_proc_enc_pool_seq_show(struct seq_file *m, void *v)
"max waitqueue depth: %u\n"
"max wait time: "CFS_TIME_T"/%u\n"
,
- num_physpages,
+ totalram_pages,
PAGES_PER_POOL,
page_pools.epp_max_pages,
page_pools.epp_max_pools,
@@ -705,7 +705,7 @@ int sptlrpc_enc_pool_init(void)
* maximum capacity is 1/8 of total physical memory.
* is the 1/8 a good number?
*/
- page_pools.epp_max_pages = num_physpages / 8;
+ page_pools.epp_max_pages = totalram_pages / 8;
page_pools.epp_max_pools = npages_to_npools(page_pools.epp_max_pages);
init_waitqueue_head(&page_pools.epp_waitq);
--
1.7.9.5
--
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