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Wysocki\" ,\n\tAlexander Shishkin ,\n\tAndrew Lunn ,\n\tAndrew Morton ,\n\tAntoine Tenart ,\n\tChristian Brauner ,\n\tDaniel Lezcano ,\n\tEric Dumazet ,\n\tGeetha sowjanya ,\n\tIngo Molnar ,\n\tJakub Kicinski ,\n\tJames Clark ,\n\tJerin Jacob ,\n\tLinu Cherian ,\n\tLukasz Luba ,\n\tMadhavan Srinivasan ,\n\tMichael Ellerman ,\n\tMike Leach ,\n\tMoritz Fischer ,\n\tNicholas Piggin ,\n\tPaolo Abeni ,\n\tRasmus Villemoes ,\n\tSimon Horman ,\n\tStanislav Fomichev ,\n\tSubbaraya Sundeep ,\n\tSunil Goutham ,\n\tSuzuki K Poulose ,\n\tTom Rix ,\n\tXu Yilun ,\n\tYajun Deng ,\n\tYury Norov ,\n\tZhang Rui ,\n\thariprasad ,\n\tcoresight@lists.linaro.org,\n\tlinux-arm-kernel@lists.infradead.org,\n\tlinux-fpga@vger.kernel.org,\n\tlinux-pm@vger.kernel.org,\n\tlinuxppc-dev@lists.ozlabs.org,\n\tnetdev@vger.kernel.org","Cc":"Yury Norov ","Subject":"[PATCH 12/12] bitmap: drop bitmap_print_to_pagebuf()","Date":"Thu, 19 Feb 2026 13:14:04 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switched to the alternatives,\ndrop the function.\n\nSigned-off-by: Yury Norov \n---\n include/linux/bitmap-str.h | 1 -\n lib/bitmap-str.c | 42 +++++---------------------------------\n 2 files changed, 5 insertions(+), 38 deletions(-)","diff":"diff --git a/include/linux/bitmap-str.h b/include/linux/bitmap-str.h\nindex 53d3e1b32d3d..abe7a69a846f 100644\n--- a/include/linux/bitmap-str.h\n+++ b/include/linux/bitmap-str.h\n@@ -5,7 +5,6 @@\n #include \n \n int bitmap_parse_user(const char __user *ubuf, unsigned int ulen, unsigned long *dst, int nbits);\n-int bitmap_print_to_pagebuf(bool list, char *buf, const unsigned long *maskp, int nmaskbits);\n int bitmap_print_bitmask_to_buf(char *buf, const unsigned long *maskp, int nmaskbits,\n \t\t\t\tloff_t off, size_t count);\n int bitmap_print_list_to_buf(char *buf, const unsigned long *maskp, int nmaskbits,\ndiff --git a/lib/bitmap-str.c b/lib/bitmap-str.c\nindex a357342d5d6c..49f4118c5cd3 100644\n--- a/lib/bitmap-str.c\n+++ b/lib/bitmap-str.c\n@@ -39,32 +39,6 @@ int bitmap_parse_user(const char __user *ubuf,\n }\n EXPORT_SYMBOL(bitmap_parse_user);\n \n-/**\n- * bitmap_print_to_pagebuf - convert bitmap to list or hex format ASCII string\n- * @list: indicates whether the bitmap must be list\n- * @buf: page aligned buffer into which string is placed\n- * @maskp: pointer to bitmap to convert\n- * @nmaskbits: size of bitmap, in bits\n- *\n- * Output format is a comma-separated list of decimal numbers and\n- * ranges if list is specified or hex digits grouped into comma-separated\n- * sets of 8 digits/set. Returns the number of characters written to buf.\n- *\n- * It is assumed that @buf is a pointer into a PAGE_SIZE, page-aligned\n- * area and that sufficient storage remains at @buf to accommodate the\n- * bitmap_print_to_pagebuf() output. Returns the number of characters\n- * actually printed to @buf, excluding terminating '\\0'.\n- */\n-int bitmap_print_to_pagebuf(bool list, char *buf, const unsigned long *maskp,\n-\t\t\t int nmaskbits)\n-{\n-\tptrdiff_t len = rest_of_page(buf);\n-\n-\treturn list ? scnprintf(buf, len, \"%*pbl\\n\", nmaskbits, maskp) :\n-\t\t scnprintf(buf, len, \"%*pb\\n\", nmaskbits, maskp);\n-}\n-EXPORT_SYMBOL(bitmap_print_to_pagebuf);\n-\n /**\n * bitmap_print_to_buf - convert bitmap to list or hex format ASCII string\n * @list: indicates whether the bitmap must be list\n@@ -101,7 +75,7 @@ static int bitmap_print_to_buf(bool list, char *buf, const unsigned long *maskp,\n * @off: in the string from which we are copying, We copy to @buf\n * @count: the maximum number of bytes to print\n *\n- * The bitmap_print_to_pagebuf() is used indirectly via its cpumap wrapper\n+ * The sprintf(\"%*pbl\") is used indirectly via its cpumap wrapper\n * cpumap_print_to_pagebuf() or directly by drivers to export hexadecimal\n * bitmask and decimal list to userspace by sysfs ABI.\n * Drivers might be using a normal attribute for this kind of ABIs. A\n@@ -111,18 +85,11 @@ static int bitmap_print_to_buf(bool list, char *buf, const unsigned long *maskp,\n *\t\tstruct device_attribute *attr, char *buf)\n * {\n *\t...\n- *\treturn bitmap_print_to_pagebuf(true, buf, &mask, nr_trig_max);\n+ *\treturn scnprintf(buf, rest_of_page(buf), nr_trig_max, &mask);\n * }\n *\n * show entry of attribute has no offset and count parameters and this\n * means the file is limited to one page only.\n- * bitmap_print_to_pagebuf() API works terribly well for this kind of\n- * normal attribute with buf parameter and without offset, count::\n- *\n- * bitmap_print_to_pagebuf(bool list, char *buf, const unsigned long *maskp,\n- *\t\t\t int nmaskbits)\n- * {\n- * }\n *\n * The problem is once we have a large bitmap, we have a chance to get a\n * bitmask or list more than one page. Especially for list, it could be\n@@ -149,7 +116,7 @@ static int bitmap_print_to_buf(bool list, char *buf, const unsigned long *maskp,\n *\n * The role of cpumap_print_bitmask_to_buf() and cpumap_print_list_to_buf()\n * is similar with cpumap_print_to_pagebuf(), the difference is that\n- * bitmap_print_to_pagebuf() mainly serves sysfs attribute with the assumption\n+ * scnprintf(\"%*pb[l]\") mainly serves sysfs attribute with the assumption\n * the destination buffer is exactly one page and won't be more than one page.\n * cpumap_print_bitmask_to_buf() and cpumap_print_list_to_buf(), on the other\n * hand, mainly serves bin_attribute which doesn't work with exact one page,\n@@ -158,7 +125,8 @@ static int bitmap_print_to_buf(bool list, char *buf, const unsigned long *maskp,\n *\n * WARNING!\n *\n- * This function is not a replacement for sprintf() or bitmap_print_to_pagebuf().\n+ * This function is not a replacement for sprintf().\n+ *\n * It is intended to workaround sysfs limitations discussed above and should be\n * used carefully in general case for the following reasons:\n *\n","prefixes":["12/12"]}