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Subject[PATCH 02/10] dlm: use vmalloc for hash tables
Date
From: "Bryn M. Reeves" <bmr@redhat.com>

Allocate dlm hash tables in the vmalloc area to allow a greater
maximum size without restructuring of the hash table code.

Signed-off-by: Bryn M. Reeves <bmr@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
---
fs/dlm/lockspace.c | 18 +++++++++---------
1 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
index 14cbf40..493d1e7 100644
--- a/fs/dlm/lockspace.c
+++ b/fs/dlm/lockspace.c
@@ -463,7 +463,7 @@ static int new_lockspace(const char *name, int namelen, void **lockspace,
size = dlm_config.ci_rsbtbl_size;
ls->ls_rsbtbl_size = size;

- ls->ls_rsbtbl = kmalloc(sizeof(struct dlm_rsbtable) * size, GFP_NOFS);
+ ls->ls_rsbtbl = vmalloc(sizeof(struct dlm_rsbtable) * size);
if (!ls->ls_rsbtbl)
goto out_lsfree;
for (i = 0; i < size; i++) {
@@ -475,7 +475,7 @@ static int new_lockspace(const char *name, int namelen, void **lockspace,
size = dlm_config.ci_lkbtbl_size;
ls->ls_lkbtbl_size = size;

- ls->ls_lkbtbl = kmalloc(sizeof(struct dlm_lkbtable) * size, GFP_NOFS);
+ ls->ls_lkbtbl = vmalloc(sizeof(struct dlm_lkbtable) * size);
if (!ls->ls_lkbtbl)
goto out_rsbfree;
for (i = 0; i < size; i++) {
@@ -487,7 +487,7 @@ static int new_lockspace(const char *name, int namelen, void **lockspace,
size = dlm_config.ci_dirtbl_size;
ls->ls_dirtbl_size = size;

- ls->ls_dirtbl = kmalloc(sizeof(struct dlm_dirtable) * size, GFP_NOFS);
+ ls->ls_dirtbl = vmalloc(sizeof(struct dlm_dirtable) * size);
if (!ls->ls_dirtbl)
goto out_lkbfree;
for (i = 0; i < size; i++) {
@@ -603,11 +603,11 @@ static int new_lockspace(const char *name, int namelen, void **lockspace,
spin_unlock(&lslist_lock);
kfree(ls->ls_recover_buf);
out_dirfree:
- kfree(ls->ls_dirtbl);
+ vfree(ls->ls_dirtbl);
out_lkbfree:
- kfree(ls->ls_lkbtbl);
+ vfree(ls->ls_lkbtbl);
out_rsbfree:
- kfree(ls->ls_rsbtbl);
+ vfree(ls->ls_rsbtbl);
out_lsfree:
if (do_unreg)
kobject_put(&ls->ls_kobj);
@@ -721,7 +721,7 @@ static int release_lockspace(struct dlm_ls *ls, int force)
*/

dlm_dir_clear(ls);
- kfree(ls->ls_dirtbl);
+ vfree(ls->ls_dirtbl);

/*
* Free all lkb's on lkbtbl[] lists.
@@ -745,7 +745,7 @@ static int release_lockspace(struct dlm_ls *ls, int force)
}
dlm_astd_resume();

- kfree(ls->ls_lkbtbl);
+ vfree(ls->ls_lkbtbl);

/*
* Free all rsb's on rsbtbl[] lists
@@ -770,7 +770,7 @@ static int release_lockspace(struct dlm_ls *ls, int force)
}
}

- kfree(ls->ls_rsbtbl);
+ vfree(ls->ls_rsbtbl);

/*
* Free structures on any other lists
--
1.7.6


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