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@@ -169,12 +169,12 @@ static void spufs_arch_write_note(struct spufs_ctx_info *ctx_info, int i,
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struct spu_context *ctx;
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loff_t pos = 0;
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int sz, dfd, rc, total = 0;
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- const int bufsz = 4096;
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+ const int bufsz = PAGE_SIZE;
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char *name;
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char fullname[80], *buf;
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struct elf_note en;
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- buf = kmalloc(bufsz, GFP_KERNEL);
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+ buf = (void *)get_zeroed_page(GFP_KERNEL);
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if (!buf)
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return;
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@@ -187,9 +187,8 @@ static void spufs_arch_write_note(struct spufs_ctx_info *ctx_info, int i,
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sz = spufs_coredump_read[i].size;
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ctx = ctx_info->ctx;
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- if (!ctx) {
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- return;
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- }
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+ if (!ctx)
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+ goto out;
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sprintf(fullname, "SPU/%d/%s", dfd, name);
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en.n_namesz = strlen(fullname) + 1;
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@@ -197,23 +196,25 @@ static void spufs_arch_write_note(struct spufs_ctx_info *ctx_info, int i,
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en.n_type = NT_SPU;
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if (!spufs_dump_write(file, &en, sizeof(en)))
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- return;
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+ goto out;
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if (!spufs_dump_write(file, fullname, en.n_namesz))
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- return;
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+ goto out;
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if (!spufs_dump_seek(file, roundup((unsigned long)file->f_pos, 4)))
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- return;
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+ goto out;
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do {
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rc = do_coredump_read(i, ctx, buf, bufsz, &pos);
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if (rc > 0) {
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if (!spufs_dump_write(file, buf, rc))
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- return;
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+ goto out;
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total += rc;
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}
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} while (rc == bufsz && total < sz);
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spufs_dump_seek(file, roundup((unsigned long)file->f_pos
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- total + sz, 4));
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+out:
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+ free_page((unsigned long)buf);
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}
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static void spufs_arch_write_notes(struct file *file)
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