#include #include #include #include #include #include "corking.h" #include "die.h" void set_udp_cork(int fd) { int ret, state = 1; ret = setsockopt(fd, IPPROTO_UDP, UDP_CORK, &state, sizeof(state)); if (unlikely(ret)) panic("Cannot cork UDP socket!\n"); } void set_udp_uncork(int fd) { int ret, state = 0; ret = setsockopt(fd, IPPROTO_UDP, UDP_CORK, &state, sizeof(state)); if (unlikely(ret)) panic("Cannot uncork UDP socket!\n"); } void set_tcp_cork(int fd) { int ret, state = 1; ret = setsockopt(fd, IPPROTO_TCP, TCP_CORK, &state, sizeof(state)); if (unlikely(ret)) panic("Cannot cork TCP socket!\n"); } void set_tcp_uncork(int fd) { int ret, state = 0; ret = setsockopt(fd, IPPROTO_TCP, TCP_CORK, &state, sizeof(state)); if (unlikely(ret)) panic("Cannot uncork TCP socket!\n"); } void set_sock_cork(int fd, bool is_udp) { if (is_udp) set_udp_cork(fd); else set_tcp_cork(fd); } void set_sock_uncork(int fd, bool is_udp) { if (is_udp) set_udp_uncork(fd); else set_tcp_uncork(fd); } 'selected'>master net-next plumbingsTobias Klauser
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authorJoonsoo Kim <iamjoonsoo.kim@lge.com>2016-05-19 17:12:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-19 19:12:14 -0700
commita91c43c7313a995a8908f8f6b911a85d00fdbffd (patch)
tree951e24a771f2f0f701576e8af8628772463d7328
parentb9eb63191a6ad70127ebdd83650b810cdc1d1117 (diff)
mm/vmstat: add zone range overlapping check
There is a system thats node's pfns are overlapped as follows: -----pfn--------> N0 N1 N2 N0 N1 N2 Therefore, we need to care this overlapping when iterating pfn range. There are two places in vmstat.c that iterates pfn range and they don't consider this overlapping. Add it. Without this patch, above system could over count pageblock number on a zone. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Rik van Riel <riel@redhat.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Laura Abbott <lauraa@codeaurora.org> Cc: Minchan Kim <minchan@kernel.org> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Cc: Michal Nazarewicz <mina86@mina86.com> Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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