1 files changed, 2 insertions, 2 deletions

diff --git a/src/gui_gtk_x11.c b/src/gui_gtk_x11.c
index 1a4ebf9ba6..e06bfd7f7d 100644
--- a/src/gui_gtk_x11.c
+++ b/src/gui_gtk_x11.c
@@ -4039,10 +4039,10 @@ gui_mch_new_colors(void)
 
 #if GTK_CHECK_VERSION(3,22,2)
 	GtkStyleContext * const context
-	    = gtk_widget_get_style_context(gui.drawarea);
+	    = gtk_widget_get_style_context(gui.mainwin);
 	GtkCssProvider * const provider = gtk_css_provider_new();
 	gchar * const css = g_strdup_printf(
-		"widget#vim-gui-drawarea {\n"
+		"widget#vim-gui-drawarea, #vim-main-window {\n"
 		"  background-color: #%.2lx%.2lx%.2lx;\n"
 		"}\n",
 		 (gui.back_pixel >> 16) & 0xff,

path: root/mm/truncate.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * mm/truncate.c - code for taking down pages from address_spaces
 *
 * Copyright (C) 2002, Linus Torvalds
 *
 * 10Sep2002	Andrew Morton
 *		Initial version.
 */

#include <linux/kernel.h>
#include <linux/backing-dev.h>
#include <linux/dax.h>
#include <linux/gfp.h>
#include <linux/mm.h>
#include <linux/swap.h>
#include <linux/export.h>
#include <linux/pagemap.h>
#include <linux/highmem.h>
#include <linux/pagevec.h>
#include <linux/task_io_accounting_ops.h>
#include <linux/buffer_head.h>	/* grr. try_to_release_page,
				   do_invalidatepage */
#include <linux/shmem_fs.h>
#include <linux/cleancache.h>
#include <linux/rmap.h>
#include "internal.h"

/*
 * Regular page slots are stabilized by the page lock even without the tree
 * itself locked.  These unlocked entries need verification under the tree
 * lock.
 */
static inline void __clear_shadow_entry(struct address_space *mapping,
				pgoff_t index, void *entry)
{
	XA_STATE(xas, &mapping->i_pages, index);

	xas_set_update(&xas, workingset_update_node);
	if (xas_load(&xas) != entry)
		return;
	xas_store(&xas, NULL);
	mapping->nrexceptional--;
}

static void clear_shadow_entry(struct address_space *mapping, pgoff_t index,
			       void *entry)
{
	xa_lock_irq(&mapping->i_pages);
	__clear_shadow_entry(mapping, index, entry);
	xa_unlock_irq(&mapping->i_pages);
}

/*
 * Unconditionally remove exceptional entries. Usually called from truncate
 * path. Note that the pagevec may be altered by this function by removing
 * exceptional entries similar to what pagevec_remove_exceptionals does.
 */
static void truncate_exceptional_pvec_entries(struct address_space *mapping,
				struct pagevec *pvec, pgoff_t *indices,
				pgoff_t end)
{
	int i, j;
	bool dax, lock;

	/* Handled by shmem itself */
	if (shmem_mapping(mapping))
		return;

	for (j = 0; j < pagevec_count(pvec); j++)
		if (xa_is_value(pvec->pages[j]))
			break;

	if (j == pagevec_count(pvec))
		return;

	dax = dax_mapping(mapping);
	lock = !dax && indices[j] < end;
	if (lock)
		xa_lock_irq(&mapping->i_pages);

	for (i = j; i < pagevec_count(pvec); i++) {
		struct page *page = pvec->pages[i];
		pgoff_t index = indices[i];

		if (!xa_is_value(page)) {
			pvec->pages[j++] = page;
			continue;
		}

		if (index >= end)
			continue;

		if (unlikely(dax)) {
			dax_delete_mapping_entry(mapping, index);
			continue;
		}

		__clear_shadow_entry(mapping, index, page);
	}

	if (lock)
		xa_unlock_irq(&mapping->i_pages);
	pvec->nr = j;
}

/*
 * Invalidate exceptional entry if easily possible. This handles exceptional
 * entries for invalidate_inode_pages().
 */
static int invalidate_exceptional_entry(struct address_space *mapping,
					pgoff_t index, void *entry)
{
	/* Handled by shmem itself, or for DAX we do nothing. */
	if (shmem_mapping(mapping) || dax_mapping(mapping))
		return 1;
	clear_shadow_entry(mapping, index, entry);
	return 1;
}

/*
 * Invalidate exceptional entry if clean. This handles exceptional entries for
 * invalidate_inode_pages2() so for DAX it evicts only clean entries.
 */
static int invalidate_exceptional_entry2(struct address_space *mapping,
					 pgoff_t index, void *entry)
{
	/* Handled by shmem itself */
	if (shmem_mapping(mapping))
		return 1;
	if (dax_mapping(mapping))
		return dax_invalidate_mapping_entry_sync(mapping, index);
	clear_shadow_entry(mapping, index, entry);
	return 1;
}

/**
 * do_invalidatepage - invalidate part or all of a page
 * @page: the page which is affected
 * @offset: start of the range to invalidate
 * @length: length of the range to invalidate
 *
 * do_invalidatepage() is called when all or part of the page has become
 * invalidated by a truncate operation.
 *
 * do_invalidatepage() does not have to release all buffers, but it must
 * ensure that no dirty buffer is left outside @offset and that no I/O
 * is underway against any of the blocks which are outside the truncation
 * point.  Because the caller is about to free (and possibly reuse) those
 * blocks on-disk.
 */
void do_invalidatepage(struct page *page, unsigned int offset,
		       unsigned int length)
{
	void (*invalidatepage)(struct page *, unsigned int, unsigned int);

	invalidatepage = page->mapping->a_ops->invalidatepage;
#ifdef CONFIG_BLOCK
	if (!invalidatepage)
		invalidatepage = block_invalidatepage;
#endif
	if (invalidatepage)
		(*invalidatepage)(page, offset, length);
}

/*
 * If truncate cannot remove the fs-private metadata from the page, the page
 * becomes orphaned.  It will be left on the LRU and may even be mapped into
 * user pagetables if we're racing with filemap_fault().
 *
 * We need to bale out if page->mapping is no longer equal to the original
 * mapping.  This happens a) when the VM reclaimed the page while we waited on
 * its lock, b) when a concurrent invalidate_mapping_pages got there first and
 * c) when tmpfs swizzles a page between a tmpfs inode and swapper_space.
 */
static void
truncate_cleanup_page(struct address_space *mapping, struct page *page)
{
	if (page_mapped(page)) {
		pgoff_t nr = PageTransHuge(page) ? HPAGE_PMD_NR : 1;
		unmap_mapping_pages(mapping, page->index, nr, false);
	}

	if (page_has_private(page))
		do_invalidatepage(page