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HFI1: make kmalloc caches per-CPU and pre-allocate at boot time

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This commit is contained in:
Balazs Gerofi
2017-10-25 13:19:08 +09:00
parent 33ad55e72b
commit 5bea237581
6 changed files with 37 additions and 14 deletions
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13
kernel/user_exp_rcv.c
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@@ -67,8 +67,6 @@ static int set_rcvarray_entry(struct hfi1_filedata *, uintptr_t,
static int unprogram_rcvarray(struct hfi1_filedata *, u32, struct tid_group **);
static void clear_tid_node(struct hfi1_filedata *, struct tid_rb_node *);
struct kmalloc_cache_header tidlist_cache = { NULL };
/*
* RcvArray entry allocation for Expected Receives is done by the
* following algorithm:
@@ -93,9 +91,10 @@ int hfi1_user_exp_rcv_setup(struct hfi1_filedata *fd, struct hfi1_tid_info *tinf
return -EINVAL;
}
tidlist = kmalloc_cache_alloc(&tidlist_cache,
//sizeof(*tidlist) * uctxt->expected_count);
sizeof(*tidlist) * 1024);
/* TODO: sizeof(*tidlist) * uctxt->expected_count); */
tidlist = kmalloc_cache_alloc(&cpu_local_var(tidlist_cache),
sizeof(*tidlist) * 2048);
if (!tidlist)
return -ENOMEM;
@@ -328,7 +327,6 @@ static int program_rcvarray(struct hfi1_filedata *fd, uintptr_t phys,
return count;
}
struct kmalloc_cache_header tid_node_cache = { NULL };
static int set_rcvarray_entry(struct hfi1_filedata *fd, uintptr_t phys,
u32 rcventry, struct tid_group *grp,
@@ -342,7 +340,8 @@ static int set_rcvarray_entry(struct hfi1_filedata *fd, uintptr_t phys,
* Allocate the node first so we can handle a potential
* failure before we've programmed anything.
*/
node = kmalloc_cache_alloc(&tid_node_cache, sizeof(*node));
node = kmalloc_cache_alloc(&cpu_local_var(tid_node_cache),
sizeof(*node));
if (!node)
return -ENOMEM;