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mm fixups.

main
Thomas Hellstrom 2007-11-15 10:38:55 +01:00
parent 62cdc6dbb3
commit 6206091e5f
3 changed files with 6 additions and 19 deletions
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8
linux-core/drm_bo.c
View File

@ -2213,9 +2213,7 @@ int drm_bo_driver_finish(struct drm_device *dev)
if (list_empty(&bm->unfenced))
DRM_DEBUG("Unfenced list was clean\n");
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
unlock_page(bm->dummy_read_page);
#else
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
ClearPageReserved(bm->dummy_read_page);
#endif
__free_page(bm->dummy_read_page);
@ -2250,9 +2248,7 @@ int drm_bo_driver_init(struct drm_device *dev)
goto out_unlock;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
SetPageLocked(bm->dummy_read_page);
#else
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
SetPageReserved(bm->dummy_read_page);
#endif

1
linux-core/drm_objects.h
View File

@ -279,7 +279,6 @@ struct drm_ttm_backend {
};
struct drm_ttm {
struct mm_struct *user_mm;
struct page *dummy_read_page;
struct page **pages;
uint32_t page_flags;

16
linux-core/drm_ttm.c
View File

@ -92,9 +92,7 @@ static struct page *drm_ttm_alloc_page(void)
drm_free_memctl(PAGE_SIZE);
return NULL;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
SetPageLocked(page);
#else
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
SetPageReserved(page);
#endif
return page;
@ -141,7 +139,6 @@ static int drm_set_caching(struct drm_ttm *ttm, int noncached)
static void drm_ttm_free_user_pages(struct drm_ttm *ttm)
{
struct mm_struct *mm = ttm->user_mm;
int write;
int dirty;
struct page *page;
@ -151,7 +148,6 @@ static void drm_ttm_free_user_pages(struct drm_ttm *ttm)
write = ((ttm->page_flags & DRM_TTM_PAGE_USER_WRITE) != 0);
dirty = ((ttm->page_flags & DRM_TTM_PAGE_USER_DIRTY) != 0);
down_read(&mm->mmap_sem);
for (i = 0; i < ttm->num_pages; ++i) {
page = ttm->pages[i];
if (page == NULL)
@ -163,12 +159,11 @@ static void drm_ttm_free_user_pages(struct drm_ttm *ttm)
}
if (write && dirty && !PageReserved(page))
SetPageDirty(page);
set_page_dirty_lock(page);
ttm->pages[i] = NULL;
page_cache_release(page);
put_page(page);
}
up_read(&mm->mmap_sem);
}
static void drm_ttm_free_alloced_pages(struct drm_ttm *ttm)
@ -180,9 +175,7 @@ static void drm_ttm_free_alloced_pages(struct drm_ttm *ttm)
for (i = 0; i < ttm->num_pages; ++i) {
cur_page = ttm->pages + i;
if (*cur_page) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
unlock_page(*cur_page);
#else
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
ClearPageReserved(*cur_page);
#endif
if (page_count(*cur_page) != 1)
@ -262,7 +255,6 @@ int drm_ttm_set_user(struct drm_ttm *ttm,
BUG_ON(num_pages != ttm->num_pages);
ttm->user_mm = mm;
ttm->dummy_read_page = dummy_read_page;
ttm->page_flags |= DRM_TTM_PAGE_USER |
((write) ? DRM_TTM_PAGE_USER_WRITE : 0);