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authorJan Beulich <JBeulich@novell.com>2009-09-21 17:03:05 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-22 07:17:38 -0700
commit4481374ce88ba8f460c8b89f2572027bd27057d0 (patch)
tree6896601b6a1da0e3e932ffa75fcff966c834c02c /net/ipv4
parent4738e1b9cf8f9e28d7de080a5e6ce5d0095ea18f (diff)
mm: replace various uses of num_physpages by totalram_pages
Sizing of memory allocations shouldn't depend on the number of physical pages found in a system, as that generally includes (perhaps a huge amount of) non-RAM pages. The amount of what actually is usable as storage should instead be used as a basis here. Some of the calculations (i.e. those not intending to use high memory) should likely even use (totalram_pages - totalhigh_pages). Signed-off-by: Jan Beulich <jbeulich@novell.com> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: Dave Airlie <airlied@linux.ie> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk> Cc: "David S. Miller" <davem@davemloft.net> Cc: Patrick McHardy <kaber@trash.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/route.c2
-rw-r--r--net/ipv4/tcp.c4
2 files changed, 3 insertions, 3 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 91867d3e6328..df9347314538 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -3414,7 +3414,7 @@ int __init ip_rt_init(void)
alloc_large_system_hash("IP route cache",
sizeof(struct rt_hash_bucket),
rhash_entries,
- (num_physpages >= 128 * 1024) ?
+ (totalram_pages >= 128 * 1024) ?
15 : 17,
0,
&rt_hash_log,
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 19a0612b8a20..21387ebabf00 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2862,7 +2862,7 @@ void __init tcp_init(void)
alloc_large_system_hash("TCP established",
sizeof(struct inet_ehash_bucket),
thash_entries,
- (num_physpages >= 128 * 1024) ?
+ (totalram_pages >= 128 * 1024) ?
13 : 15,
0,
&tcp_hashinfo.ehash_size,
@@ -2879,7 +2879,7 @@ void __init tcp_init(void)
alloc_large_system_hash("TCP bind",
sizeof(struct inet_bind_hashbucket),
tcp_hashinfo.ehash_size,
- (num_physpages >= 128 * 1024) ?
+ (totalram_pages >= 128 * 1024) ?
13 : 15,
0,
&tcp_hashinfo.bhash_size,