From: Ian Campbell <ian.campbell@citrix.com>
To: netdev@vger.kernel.org
Cc: linux-nfs@vger.kernel.org, Ian Campbell <ian.campbell@citrix.com>
Subject: [PATCH 01/10] mm: Make some struct page's const.
Date: Fri, 15 Jul 2011 12:07:02 +0100 [thread overview]
Message-ID: <1310728031-19569-1-git-send-email-ian.campbell@citrix.com> (raw)
In-Reply-To: <1310728006.20648.3.camel@zakaz.uk.xensource.com>
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
---
include/linux/mm.h | 10 +++++-----
mm/sparse.c | 2 +-
2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 9670f71..550ec8f 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -636,7 +636,7 @@ static inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma)
#define SECTIONS_MASK ((1UL << SECTIONS_WIDTH) - 1)
#define ZONEID_MASK ((1UL << ZONEID_SHIFT) - 1)
-static inline enum zone_type page_zonenum(struct page *page)
+static inline enum zone_type page_zonenum(const struct page *page)
{
return (page->flags >> ZONES_PGSHIFT) & ZONES_MASK;
}
@@ -664,15 +664,15 @@ static inline int zone_to_nid(struct zone *zone)
}
#ifdef NODE_NOT_IN_PAGE_FLAGS
-extern int page_to_nid(struct page *page);
+extern int page_to_nid(const struct page *page);
#else
-static inline int page_to_nid(struct page *page)
+static inline int page_to_nid(const struct page *page)
{
return (page->flags >> NODES_PGSHIFT) & NODES_MASK;
}
#endif
-static inline struct zone *page_zone(struct page *page)
+static inline struct zone *page_zone(const struct page *page)
{
return &NODE_DATA(page_to_nid(page))->node_zones[page_zonenum(page)];
}
@@ -717,7 +717,7 @@ static inline void set_page_links(struct page *page, enum zone_type zone,
*/
#include <linux/vmstat.h>
-static __always_inline void *lowmem_page_address(struct page *page)
+static __always_inline void *lowmem_page_address(const struct page *page)
{
return __va(PFN_PHYS(page_to_pfn(page)));
}
diff --git a/mm/sparse.c b/mm/sparse.c
index aa64b12..858e1df 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -40,7 +40,7 @@ static u8 section_to_node_table[NR_MEM_SECTIONS] __cacheline_aligned;
static u16 section_to_node_table[NR_MEM_SECTIONS] __cacheline_aligned;
#endif
-int page_to_nid(struct page *page)
+int page_to_nid(const struct page *page)
{
return section_to_node_table[page_to_section(page)];
}
--
1.7.2.5
next prev parent reply other threads:[~2011-07-15 11:16 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-15 11:06 [PATCH/RFC 0/10] enable SKB paged fragment lifetime visibility Ian Campbell
2011-07-15 11:07 ` Ian Campbell [this message]
2011-07-15 11:07 ` [PATCH 02/10] mm: use const struct page for r/o page-flag accessor methods Ian Campbell
2011-07-15 11:07 ` [PATCH 03/10] net: add APIs for manipulating skb page fragments Ian Campbell
2011-07-15 22:34 ` Michał Mirosław
2011-07-15 11:07 ` [PATCH 04/10] net: convert core to skb paged frag APIs Ian Campbell
2011-07-15 11:07 ` [PATCH 05/10] net: convert protocols to SKB " Ian Campbell
2011-07-15 11:07 ` [PATCH 06/10] net: convert drivers to paged frag API Ian Campbell
2011-07-15 11:07 ` [PATCH 07/10] net: add support for per-paged-fragment destructors Ian Campbell
2011-07-15 11:07 ` [PATCH 08/10] net: add paged frag destructor support to kernel_sendpage Ian Campbell
2011-07-15 11:07 ` [PATCH 09/10] nfs: use sk fragment destructors to delay I/O completion until page is released by network stack Ian Campbell
2011-07-15 14:01 ` Trond Myklebust
2011-07-15 15:21 ` Ian Campbell
2011-07-21 13:18 ` Ian Campbell
2011-07-15 11:07 ` [PATCH 10/10] nfs: debugging for nfs destructor Ian Campbell
2011-07-15 15:17 ` [PATCH/RFC 0/10] enable SKB paged fragment lifetime visibility David Miller
2011-07-15 15:36 ` Ian Campbell
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1310728031-19569-1-git-send-email-ian.campbell@citrix.com \
--to=ian.campbell@citrix.com \
--cc=linux-nfs@vger.kernel.org \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).