diff options
| author | Takashi Iwai <tiwai@suse.de> | 2019-05-20 11:26:43 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-10 19:20:36 +0200 |
| commit | ddaf29fd9bb6a8192153bc097615765d202b0ab3 (patch) | |
| tree | 645a403be079231588e7b34bbd4edf8298df2020 /drivers/base/firmware_loader/main.c | |
| parent | 64ae0e71c60dc4bd3a59ae709b807f96f68df495 (diff) | |
firmware: Free temporary page table after vmapping
Once after performing vmap() to map the S/G pages, our own page table
becomes superfluous since the pages can be released via vfree()
automatically. Let's change the buffer release code and discard the
page table array for saving some memory.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base/firmware_loader/main.c')
| -rw-r--r-- | drivers/base/firmware_loader/main.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c index 7eaaf5ee5ba6..aed1a7c56713 100644 --- a/drivers/base/firmware_loader/main.c +++ b/drivers/base/firmware_loader/main.c @@ -252,13 +252,13 @@ static void __free_fw_priv(struct kref *ref) spin_unlock(&fwc->lock); #ifdef CONFIG_FW_LOADER_USER_HELPER - if (fw_priv->is_paged_buf) { + if (fw_priv->pages) { + /* free leftover pages */ int i; - vunmap(fw_priv->data); for (i = 0; i < fw_priv->nr_pages; i++) __free_page(fw_priv->pages[i]); vfree(fw_priv->pages); - } else + } #endif if (!fw_priv->allocated_size) vfree(fw_priv->data); |