This is a minor optimization to use kvmalloc() variant for allocating the page table for the SG-buffer. They aren't so big in general, so kmalloc() would fit often better.
Signed-off-by: Takashi Iwai <[email protected]> --- drivers/base/firmware_loader/fallback.c | 7 ++++--- drivers/base/firmware_loader/main.c | 2 +- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c index 8970a5315e85..b5cd96fd0e77 100644 --- a/drivers/base/firmware_loader/fallback.c +++ b/drivers/base/firmware_loader/fallback.c @@ -232,7 +232,7 @@ static int map_fw_priv_pages(struct fw_priv *fw_priv) return -ENOMEM; /* page table is no longer needed after mapping, let's free */ - vfree(fw_priv->pages); + kvfree(fw_priv->pages); fw_priv->pages = NULL; return 0; @@ -397,7 +397,8 @@ static int fw_realloc_pages(struct fw_sysfs *fw_sysfs, int min_size) fw_priv->page_array_size * 2); struct page **new_pages; - new_pages = vmalloc(array_size(new_array_size, sizeof(void *))); + new_pages = kvmalloc_array(new_array_size, sizeof(void *), + GFP_KERNEL); if (!new_pages) { fw_load_abort(fw_sysfs); return -ENOMEM; @@ -406,7 +407,7 @@ static int fw_realloc_pages(struct fw_sysfs *fw_sysfs, int min_size) fw_priv->page_array_size * sizeof(void *)); memset(&new_pages[fw_priv->page_array_size], 0, sizeof(void *) * (new_array_size - fw_priv->page_array_size)); - vfree(fw_priv->pages); + kvfree(fw_priv->pages); fw_priv->pages = new_pages; fw_priv->page_array_size = new_array_size; } diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c index 083fc3e4f2fd..2e74a1b73dae 100644 --- a/drivers/base/firmware_loader/main.c +++ b/drivers/base/firmware_loader/main.c @@ -276,7 +276,7 @@ void fw_free_paged_buf(struct fw_priv *fw_priv) for (i = 0; i < fw_priv->nr_pages; i++) __free_page(fw_priv->pages[i]); - vfree(fw_priv->pages); + kvfree(fw_priv->pages); fw_priv->pages = NULL; fw_priv->page_array_size = 0; fw_priv->nr_pages = 0; -- 2.16.4
