[PATCH] annotate some variables in vesafb driver as __read_mostly

- annotate some variables in vesafb driver as __read_mostly

Signed-off-by: Helge Deller <deller@gmx.de>
Acked-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/video/vesafb.c b/drivers/video/vesafb.c
index 638ee37..e16322d 100644 (file)
--- a/drivers/video/vesafb.c
+++ b/drivers/video/vesafb.c
@@ -47,17 +47,16 @@ static struct fb_fix_screeninfo vesafb_fix __initdata = {
        .accel  = FB_ACCEL_NONE,
 };
 
        .accel  = FB_ACCEL_NONE,
 };
 

-static int             inverse   = 0;
-static int             mtrr      = 0; /* disable mtrr */
-static int            vram_remap __initdata = 0; /* Set amount of memory to be used */
-static int            vram_total __initdata = 0; /* Set total amount of memory */
-static int             pmi_setpal = 1; /* pmi for palette changes ??? */
-static int             ypan       = 0;  /* 0..nothing, 1..ypan, 2..ywrap */
-static unsigned short  *pmi_base  = NULL;
-static void            (*pmi_start)(void);
-static void            (*pmi_pal)(void);
-static int             depth;
-static int             vga_compat;
+static int   inverse    __read_mostly;
+static int   mtrr       __read_mostly;         /* disable mtrr */
+static int   vram_remap __initdata;            /* Set amount of memory to be used */
+static int   vram_total __initdata;            /* Set total amount of memory */
+static int   pmi_setpal __read_mostly = 1;     /* pmi for palette changes ??? */
+static int   ypan       __read_mostly;         /* 0..nothing, 1..ypan, 2..ywrap */
+static void  (*pmi_start)(void) __read_mostly;
+static void  (*pmi_pal)  (void) __read_mostly;
+static int   depth      __read_mostly;
+static int   vga_compat __read_mostly;

 /* --------------------------------------------------------------------- */
 
 static int vesafb_pan_display(struct fb_var_screeninfo *var,
 /* --------------------------------------------------------------------- */
 
 static int vesafb_pan_display(struct fb_var_screeninfo *var,


@@ -312,6 +311,7 @@ static int __init vesafb_probe(struct platform_device *dev)
                ypan = pmi_setpal = 0; /* not available or some DOS TSR ... */
 
        if (ypan || pmi_setpal) {
                ypan = pmi_setpal = 0; /* not available or some DOS TSR ... */
 
        if (ypan || pmi_setpal) {

+               unsigned short *pmi_base;

                pmi_base  = (unsigned short*)phys_to_virt(((unsigned long)screen_info.vesapm_seg << 4) + screen_info.vesapm_off);
                pmi_start = (void*)((char*)pmi_base + pmi_base[1]);
                pmi_pal   = (void*)((char*)pmi_base + pmi_base[2]);
                pmi_base  = (unsigned short*)phys_to_virt(((unsigned long)screen_info.vesapm_seg << 4) + screen_info.vesapm_off);
                pmi_start = (void*)((char*)pmi_base + pmi_base[1]);
                pmi_pal   = (void*)((char*)pmi_base + pmi_base[2]);