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| author | Hugh Dickins <hughd@google.com> | 2023-10-03 02:21:34 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-10-25 16:47:15 -0700 |
| commit | 93397c3b7684555b7cec726cd13eef6742d191fe (patch) | |
| tree | cf00db78b57f91270f80a629093d84ceb27af9c2 /mm | |
| parent | c36f6e6dff4d32ec8b6da8f553933727a57a7a4a (diff) | |
| download | lwn-93397c3b7684555b7cec726cd13eef6742d191fe.tar.gz lwn-93397c3b7684555b7cec726cd13eef6742d191fe.zip | |
mempolicy trivia: use pgoff_t in shared mempolicy tree
Prefer the more explicit "pgoff_t" to "unsigned long" when dealing with a
shared mempolicy tree. Delete confusing comment about pseudo mm vmas.
Link: https://lkml.kernel.org/r/5451157-3818-4af5-fd2c-5d26a5d1dc53@google.com
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Tejun heo <tj@kernel.org>
Cc: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Yosry Ahmed <yosryahmed@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/mempolicy.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 50a57f4c8013..c18f0a1b97e3 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -2428,8 +2428,8 @@ bool __mpol_equal(struct mempolicy *a, struct mempolicy *b) * lookup first element intersecting start-end. Caller holds sp->lock for * reading or for writing */ -static struct sp_node * -sp_lookup(struct shared_policy *sp, unsigned long start, unsigned long end) +static struct sp_node *sp_lookup(struct shared_policy *sp, + pgoff_t start, pgoff_t end) { struct rb_node *n = sp->root.rb_node; @@ -2483,8 +2483,8 @@ static void sp_insert(struct shared_policy *sp, struct sp_node *new) } /* Find shared policy intersecting idx */ -struct mempolicy * -mpol_shared_policy_lookup(struct shared_policy *sp, unsigned long idx) +struct mempolicy *mpol_shared_policy_lookup(struct shared_policy *sp, + pgoff_t idx) { struct mempolicy *pol = NULL; struct sp_node *sn; @@ -2652,8 +2652,8 @@ static struct sp_node *sp_alloc(unsigned long start, unsigned long end, } /* Replace a policy range. */ -static int shared_policy_replace(struct shared_policy *sp, unsigned long start, - unsigned long end, struct sp_node *new) +static int shared_policy_replace(struct shared_policy *sp, pgoff_t start, + pgoff_t end, struct sp_node *new) { struct sp_node *n; struct sp_node *n_new = NULL; |